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JP3574861B2 - Fragrance composition containing 3- (3-hexenyl) -2-cyclopentenone - Google Patents

Fragrance composition containing 3- (3-hexenyl) -2-cyclopentenone Download PDF

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Publication number
JP3574861B2
JP3574861B2 JP2001385182A JP2001385182A JP3574861B2 JP 3574861 B2 JP3574861 B2 JP 3574861B2 JP 2001385182 A JP2001385182 A JP 2001385182A JP 2001385182 A JP2001385182 A JP 2001385182A JP 3574861 B2 JP3574861 B2 JP 3574861B2
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Prior art keywords
hexenyl
cyclopentenone
fragrance
perfume
cis
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JP2003183688A (en
Inventor
洋幸 松田
賢次 丸山
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Takasago International Corp
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Takasago International Corp
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Priority to JP2001385182A priority Critical patent/JP3574861B2/en
Priority to US10/309,096 priority patent/US6903067B2/en
Priority to AT02258616T priority patent/ATE319794T1/en
Priority to DE60209664T priority patent/DE60209664T2/en
Priority to ES02258616T priority patent/ES2259697T3/en
Priority to EP02258616A priority patent/EP1321508B1/en
Priority to KR10-2002-0080144A priority patent/KR100529819B1/en
Priority to CN021574448A priority patent/CN1217905C/en
Publication of JP2003183688A publication Critical patent/JP2003183688A/en
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Description

【0001】
【産業上の利用分野】本発明は一般式(1)

Figure 0003574861
(1)
(式中、波線は二重結合のシス体および/またはトランス体を示す)で表される3−(3−へキセニル)−2−シクロペンテノンからなる香料素材、および該香料素材有効成分として含有する香料組成物に関する。また、上記化合物を用いた賦香方法に関する。
【0002】
【従来の技術】
近年、各種香粧品類、保健衛生材料等の多様化に伴い、これらの賦香(匂い付け)に用いる香料においては、従来にない新しい要望が高まり、嗜好性の高いユニークな香気であること、化学的に安定であること、他に使用する香料との調合性に優れていることなどが要求されている。
従ってそれらを兼ね備えた香料素材を開発する事は香料産業上極めて重要である。
これまでに、3−(3Z−へキセニル)−2−シクロペンテノン(2(Z))は、例えば8Z−ウンデカン−8−エン−2,5−ジオン(3)のアルドール縮合により、シス−ジャスモン(4)を合成する際の副生成物として知られている(Helv.Chim.Acta.61,990(1978),CH580555(1976))。また、レトロアルドール反応によりシス−ジャスモンを合成する場合の原料としても報告されている(J. Am. Chem. Soc., 93, 5309(1971))。
【0003】
しかしながら、3−(3Z−へキセニル)−2−シクロペンテノン(2(Z))はシス−ジャスモン合成にとっては不要な副生成物であり、また単なる反応原料として認知されるのみで、香料素材として非常に有用である事はこれまで全く知られていなかった。さらに二重結合の異性体である3−(3E−へキセニル)−2−シクロペンテノンに至っては、化合物自体の報告すら見出せなかった。
【0004】
Figure 0003574861
【0005】
【発明が解決しようとする課題】
本発明の目的は、上記の要望を満足する嗜好性が高く優れた香料化合物を提供することにある。また、当該香料化合物を有効成分として含有する香料組成物を提供することにある。
【0006】
【課題を解決するための手段】
本発明者らは前述の要望に応えるべく鋭意研究した結果、次に示す3−(3−へキセニル)−2−シクロペンテノンが嗜好性の高いユニークな香気を有し、他に使用する香料との調和性に優れていることを見出し本発明を完成させた。
【0007】
即ち、本発明は次の一般式(1)
Figure 0003574861
(1)
(式中、波線は二重結合のシス体および/またはトランス体を示す)で表される3−(3−へキセニル)−2−シクロペンテノンからなる香料素材、および該香料素材有効成分として含有する事を特徴とする香料組成物を提供することにある。
【0008】
【発明の実施の態様】
以下、本発明を詳細に説明する。
本発明の式(1)で示される3−(3−へキセニル)−2−シクロペンテノンは、側鎖がトランス体の3−(3E−へキセニル)−2−シクロペンテノン単独、側鎖がシス体の3−(3Z−へキセニル)−2−シクロペンテノン単独あるいはこれらの混合物を意味する。これら化合物あるいは混合物は優れた香りを有し香料として有効である。とくに、側鎖がシス体の3−(3Z−へキセニル)−2−シクロペンテノンは優れた香りを有し、香料として有効である。
すなわち上記化合物はいずれもグリーン、フローラル、シトラス、ファッティ−、ニトリル様な特有の香気を有するが、トランス体はよりグリーン感が強く、またシス体はよりフルーティ−感が強い。
さらに本発明化合物である3−(3−へキセニル)−2−シクロペンテノンを通常使用されている香料成分と混合し香料組成物を調製することで、その香料組成物にボリューム感のあるナチュラルでインパクトのあるボディーノートを付与でき、「質感」のある香りをもたらす極めて有用な高級香料であるということができる。
【0009】
本発明の式(1)で示される3−(3E−へキセニル)−2−シクロペンテノンは、文献未記載の化合物である。この化合物は、例えばつぎの方法により製造できる。すなわち、2−メチルフランとアクロレインから合成したフラニルアルデヒドのシス選択的Wittg反応によるシス−ジャスモンの合成ルートにおいて(J. Chem. Soc., C, 1024(1969))、文献記載(Angew. Chem. Int. Ed. Engl., 5, 126(1966))のトランス選択的Wittig反応条件を適用することで相当するトランス体を得る。このものをシス体合成と同様な条件下、酸性加水分解および塩基性アルドール縮合により環化させ、相当するトランス−ジャスモンおよび3−(3E−へキセニル)−2−シクロペンテノンの混合物を得る。その後のシリカゲルカラムクロマトグラフィー分離により、目的の3−(3E−へキセニル)−2−シクロペンテノンを分離し、調製することができる。
【0010】
Figure 0003574861
また3−(3Z−へキセニル)−2−シクロペンテノンの製造法は特に限定されるものでは無いが、前述したシス−ジャスモン合成時に副生成物として数%得られる以外にも、以下の報告された方法によって製造する事ができる。
例えばシクロペンテノンに3Z−へキセニルリチウムを1,2付加させた後、アリル転移を経由して酸化することで合成するルートが報告されている(J. Org. Chem., 39, 2317(1874))。
【0011】
Figure 0003574861
3−(3Z−へキセニル)−2−シクロペンテノン及び3−(3E−へキセニル)−2−シクロペンテノンの混合物は両者をそれぞれ調製した後、任意の量割合にて混合することにより得られる。
【0012】
本発明の3−(3−へキセニル)−2−シクロペンテノンは極少量添加しても好ましい香りをもたらすことができるので、香料の賦香を必要とする各種香粧品類の基材に対して匂い付けを可能にできる。すなわち賦香させる材料により異なるのであるが、例えば賦香させる材料対して0.0000001重量%程度の3−(3−へキセニル)−2−シクロペンテノンを配合させることにより優れた効果を発揮する。なお、3−(3−へキセニル)−2−シクロペンテノンは特有の香気を有し、且つ優れた持続性を有するため、単独で香気成分として使用してもよいが、二重結合の異性体の一種または二種を共存させたものを、通常使用されている香料成分と混合し香料組成物として使用する事もできる。
ここで言う香料組成物とは、3−(3−へキセニル)−2−シクロペンテノンと通常使用されている香料成分の1種あるいは2種以上との混合物を指し、ここで言う通常使用されている香料成分としては広い範囲の香料が使用でき、特に限定はされないが例えば、Arctander S., “Perfume and Flavor Chemicals”, published by theauthor, Montolair, N.J.(U.S.A) 1969年に記載されている様な成分を使用することができる。代表的なものとしては、α−ピネン、リモネン、メントール、フェニルエチルアルコール、スチラリルアセテート、オイゲノール、ローズオキサイド、リナロール、ベンズアルデヒド、ムスコン、ジヒドロジャスモン酸メチル、シス−ジャスモン、ジヒドロジャスモン、γ−ウンデカラクトン、ヘキシルシンナミックアルデヒド、ジャスマ−ル、ヘリオブーケ等が挙げられるが、特にこれらに限定されるものではない。
【0013】
本発明の3−(3−へキセニル)−2−シクロペンテノンの香料組成物への配合量は、その調合香料の種類や目的により異なるが、組成物中において、0.000001重量%〜10重量%程度、好ましくは0.00001重量%〜1重量%程度、より好ましくは0.0001重量%〜0.1重量%程度とすることが望ましい。
【0014】
本発明の3−(3−へキセニル)−2−シクロペンテノンは単独あるいは該化合物を含む香料組成物をシャンプー、リンス類等の香料調合品に添加すると、拡散性、保留性を高め、更に新鮮な、嗜好性の高い香気を賦与することができる。本発明の香料または香料組成物は、香料成分として香粧品類、保健衛生材料、医薬品などの好適に使用する事ができる。すなわち、シャンプー、リンス類、香水、コロン類、ヘアートニック、ヘアークリーム類、ポマード、毛髪用化粧料基材、その他化粧料基材や化粧料洗剤、室内芳香剤、石鹸、皿洗い洗剤、洗濯用洗剤、柔軟剤、消毒用洗剤類、防臭洗剤類、ファーニィチャーケア、消毒剤、殺菌剤、忌避剤、漂白剤、その他の各種保健衛生用洗剤類、歯磨き、マウスウオッシュ、トイレットペーパー、医薬品の服用を容易にするための賦香剤等に使用し、それらの商品価値を高めることができる。
【0015】
【実施例】
以下に実施例および比較例によって本発明を記述するが、本発明はこれらに限定されるものではない。なお、実施例中において用いる測定機器および測定条件を以下に示す。
(1)ガスクロマトグラフ(GC);
機器:HP−6890A(ヒューレットパッカード社製)
カラム:HP−5 ( 30m×0.32mm×0.25μm )
(ヒューレットパッカード社製)
キャリアーガス:ヘリウム
測定温度:100 〜220 ℃(10℃/分で昇温)
(2)赤外吸収スペクトル(IR);
機器:AVATAR 360FT−IR(ニコレ−社製)
(3)プロトン核磁気共鳴スペクトル(H−NMR);
機器:DRX−500(500MHz)(ブルッカー社製)
内部標準物質:テトラメチルシラン
(4)質量スペクトル(MS);
機器:M−80B質量分析計(イオン化電圧:20eV)
(株式会社日立製作所製)
【0016】
【実施例1a】2−(3E−へキセニル)−5−メチルフランの合成
温度計と冷却器を取り付けた2000mlの4口反応器に、n−プロピルトリフェニルフォスフォニウムブロミド(0.141mol)と無水テトラヒドロフラン(THF)(300ml)を仕込み、−60℃にて攪拌下フェニルリチウムエチルエチルエーテル溶液(0.50mol/l、261ml)を1時間かけて滴下した。冷浴をはずし1.5時間かけて0℃まで昇温した後、そのまま1時間攪拌した。このものに3−(5−メチルフラン−2−イル)プロパナール15.0g(0.109mol)の無水エチルエーテル溶液(100ml)を−70℃下1.5時間かけて滴下し、冷浴をはずし40分かけて−30℃まで昇温した。その後再びフェニルリチウムエチルエーテル溶液(0.50mol/l、368ml)を1時間かけて滴下し、15分間攪拌した後、塩化水素エチルエーテル溶液(5.6mol/l、114ml)を−30℃下45分かけて滴下し、そのまま5分間攪拌した。最後にカリウムt−ブトキシド(92.4g、0.823mol)を−30℃下10分かけて加えた後、無水エチルエーテル(600ml)を加えて冷浴をはずし2.5時間攪拌した。反応液を水に注いで反応を停止し、有機層を水洗、飽和食塩水洗し、無水硫酸ナトリウムで乾燥後減圧濃縮した。この濃縮物をペンタンで洗浄し、溶解したオイル分を濃縮することで24.3gの粗生成物を得た後、単蒸留により13.4g(収率74%、bp78℃/120Pa)の2−(3E−へキセニル)−5−メチルフランを得た(シス/トランス=7/93)。
【0017】
HNMR (500MHz,CDCl,δ) ppm: 0.96 (t, 3H, J=7.5Hz), 1.95−2.04 (m, 2H), 2.25 (s, 3H), 2.27−2.34 (m, 2H), 2.58−2.64 (m, 2H), 5.38−5.54 (m, 2H), 5.82−5.86 (m, 2H).
IR (film) cm−1 : 2961, 1570, 1219, 1022, 966.
MS (m/e) : 164 (M+), 133, 121, 108, 95, 91, 77, 67, 65, 53, 43, 41, 39, 27.
【0018】
【実施例1b】8E−ウンデセン−2,5−ジオンの合成
温度計と冷却器を取り付けた100mlの4口反応器に2−(3E−へキセニル)−5−メチルフラン(8.65g、52.7mmol)、酢酸(8.99g)、水(4.47g)および濃硫酸(0.12g)を仕込み、97℃下3時間攪拌した。反応液にヘキサンと水を加えて分液し、有機層を2回水洗、飽和食塩水洗し、無水硫酸ナトリウムで乾燥後減圧濃縮して9.51gの粗生成物を得た。このものをシリカゲルカラムクロマトグラフィーで分離精製し(ヘキサン/酢酸エチル=15/1(容量比))、8.38gの8E−ウンデセン−2,5−ジオンを得た(収率88%、シス/トランス=7/93(重量比))。
【0019】
HNMR (500MHz,CDCl,δ) ppm: 0.95 (t, 3H, J=7.5Hz), 1.94−2.02 (m, 2H), 2.22−2.30 (m, 2H), 2.48−2.55 (m, 2H), 2.64−2.73 (m, 4H), 5.32−5.40 (m, 1H), 5.44−5.52 (m, 1H).
IR (film) cm−1 : 3028, 2963, 2933, 1713, 1403, 1367, 1173, 1096, 969.
MS (m/e) : 182 (M+), 124, 114, 99, 95, 83, 71, 69, 55, 43, 41, 29.
【0020】
【実施例1c】3−(3E−へキセニル)−2−シクロペンテノンの合成
温度計と冷却器を取り付けた100mlの4口反応器に8E−ウンデセン−2,5−ジオン(7.0g、38.4mmol)、50%水酸化ナトリウム(2.31g)および水(28.2g)を仕込み、反応温度97℃下5時間加熱攪拌をした。反応液にヘキサンと水を加えて分液し、有機層を2回水洗、飽和食塩水洗し、無水硫酸ナトリウムで乾燥後減圧濃縮して6.1gの粗生成物を得た。このものをシリカゲルカラムクロマトグラフィーで分離精製し(ヘキサン/酢酸エチル=10/1(容量比))、0.35gの3−(3E−へキセニル)−2−シクロペンテノンを得た(収率6%、シス/トランス=7/93(重量比))。
【0021】
HNMR (500MHz,CDCl,δ) ppm: 0.96 (t, 3H, J=7.5Hz), 1.96−2.04 (m, 2H), 2.24−2.32 (m, 2H), 2.36−2.42 (m, 2H), 2.44−2.5 (m, 2H), 2.55−2.60 (m, 2H), 5.33−5.42 (m, 1H), 5.47−5.56 (m, 1H), 5.96(br.s, 1H).
IR (film) cm−1 : 3028, 2962, 2926, 1712, 1675, 1616, 1438, 1185, 970.
MS (m/e) : 164 (M+), 149, 136, 122, 107, 96, 91, 79, 69, 53, 41, 39, 27.
【0022】
【実施例2】3−(3Z−へキセニル)−2−シクロペンテノンの調製
実施例1cの8E−ウンデセン−2,5−ジオンの代わりに、上記文献(J. Org. Chem., 31, 977(1966))記載の方法に従い得られた8Z−ウンデセン−2,5−ジオン(7.0g)を原料とし、実施例1cと同様な手法を用いて反応させた後、シリカゲルカラムクロマトグラフィーで分離精製し(ヘキサン/酢酸エチル=10/1(容量比))、0.33gの3−(3Z−へキセニル)−2−シクロペンテノンを得た(収率5%)。
【0023】
HNMR (500MHz,CDCl,δ) ppm: 0.96 (t, 3H, J=7.5Hz), 2.01−2.09 (m, 2H), 2.30−2.38 (m, 2H), 2.36−2.42 (m, 2H), 2.44−2.5 (m, 2H), 2.55−2.60 (m, 2H), 5.27−5.34 (m, 1H), 5.40−5.48 (m, 1H), 5.96(br.s, 1H).
IR (film) cm−1 : 3007, 2962, 2932, 1712, 1675, 1616, 1438, 1185.
MS (m/e) : 164 (M+), 149, 136, 122, 107, 96, 91, 79, 69, 53, 41, 39, 27.
【0024】
【実施例3】香気質の評価
実施例1および実施例2で合成した3−(3−へキセニル)−2−シクロペンテノンについて、7人の専門パネラーによる匂い評価を行った。
その結果を表1に示す。
Figure 0003574861
以上の様に、本発明化合物はグリーン、フローラル、シトラス、ニトリル様の嗜好性の高い特有な香気を有していた。
【0025】
【実施例3】シャンプー用香料組成物の製造
Figure 0003574861
【0026】
【比較例1】実施例3での処方において、3−(3Z−へキセニル)−2−シクロペンテノン(1%DPG)の代わりにジプロピレングリコール(DPG)を用いる以外には実施例3と同じ処方によりシャンプー用香料組成物を調製した。
【実施例3と比較例1との評価結果】
実施例3と比較例1との香料組成物を評価した結果、3−(3Z−へキセニル)−2−シクロペンテノンを含む実施例3の処方に基づく香料組成物には、ボリューム感のあるグリーンフローラルのボディ−ノートを付与する事ができた。
【0027】
【実施例4】石鹸用香料組成物の製造
Figure 0003574861
【0028】
【比較例2】実施例4での処方において、3−(3E−へキセニル)−2−シクロペンテノン(1%DPG)の代わりにジプロピレングリコール(DPG)を用いる以外には実施例4と同じ処方によりシャンプー用香料組成物を調製した。
【実施例4と比較例2との評価結果】
実施例4と比較例2との香料組成物を評価した結果、3−(3E−へキセニル)−2−シクロペンテノンを含む実施例4の処方に基づく香料組成物には、グリーンフローラル様なナチュラルなボディーノートのインパクトを付与する事ができた。
【0029】
【実施例5】香水用香料組成物の製造
Figure 0003574861
Figure 0003574861
【0030】
【比較例3】実施例5での処方において、3−(3−へキセニル)−2−シクロペンテノン(1%DPG)の代わりにジプロピレングリコール(DPG)を用いる以外には実施例5と同じ処方により香水用香料組成物を調製した。
【実施例5と比較例3との評価結果】
実施例5と比較例3との香料組成物を評価した結果、3−(3−へキセニル)−2−シクロペンテノンを含む実施例5の処方に基づく香料組成物には、グリーンフローラルな爽やかでナチュラルなインパクトを付与することができた。
【0031】
【発明の効果】
本発明により提供された3−(3−へキセニル)−2−シクロペンテノンは、少量の添加により好ましい香りをもたらすことができるとともに所謂「コク」や「深み」のある香りをもたらすことができるという特徴を有する。言い換えれば、上記3−(3−へキセニル)−2−シクロペンテノンは所謂「質感」のある香りをもたらす高級な香料であるということができる。その上、他の香料や多くの化合物に対する相溶性にも優れているので、調合香料の一成分として極めて重要な香料であり、香料の賦香を必要とする各種香粧品類、衛生保険材料等の基材に対して匂い付けを可能にすることができた。すなわち、特有の香気を有し、且つ優れた持続性を有するため、単独で香気成分として使用してもよいが、二重結合の異性体の一種または二種を共存させたものを、通常使用されている香料成分と混合し香料組成物として使用する事もできる。[0001]
The present invention relates to the general formula (1)
Figure 0003574861
(1)
(Where the wavy line represents a double bond cis- and / or trans-form) 3- (3-hexenyl) -2-cyclopentenone , and a perfume material as an active ingredient Perfume compositions contained as Further, the present invention relates to a method for flavoring using the above compound.
[0002]
[Prior art]
In recent years, with the diversification of various cosmetics and health and hygiene materials, new and unprecedented demands have been raised for fragrances used for perfuming (smelling). It is required to be chemically stable and to be excellent in blending with other fragrances to be used.
Therefore, it is extremely important for the fragrance industry to develop a fragrance material having both of them.
To date, 3- (3Z-hexenyl) -2-cyclopentenone (2 (Z)) has been converted to cis- by, for example, aldol condensation of 8Z-undecane-8-ene-2,5-dione (3). It is known as a by-product when synthesizing jasmon (4) (Helv. Chim. Acta. 61, 990 (1978), CH580555 (1976)). It has also been reported as a raw material for synthesizing cis-jasmon by a retroaldol reaction (J. Am. Chem. Soc., 93, 5309 (1971)).
[0003]
However, 3- (3Z-hexenyl) -2-cyclopentenone (2 (Z)) is an unnecessary by-product for the synthesis of cis-jasmone, and is recognized only as a raw material for the reaction. Has never been known to be very useful. Furthermore, even for the compound of 3- (3E-hexenyl) -2-cyclopentenone, which is a double bond isomer, no report of the compound itself could be found.
[0004]
Figure 0003574861
[0005]
[Problems to be solved by the invention]
An object of the present invention is to provide an excellent perfume compound having a high palatability satisfying the above-mentioned demands. Another object of the present invention is to provide a fragrance composition containing the fragrance compound as an active ingredient.
[0006]
[Means for Solving the Problems]
The present inventors have conducted intensive studies to meet the above-mentioned demands. As a result, 3- (3-hexenyl) -2-cyclopentenone shown below has a unique fragrance having a high palatability, and is used for other fragrances. The present invention was found to be excellent in harmony with the present invention and completed.
[0007]
That is, the present invention provides the following general formula (1)
Figure 0003574861
(1)
(Where the wavy line represents a double bond cis- and / or trans-form) 3- (3-hexenyl) -2-cyclopentenone , and a perfume material as an active ingredient It is to provide a fragrance composition characterized by containing as a fragrance.
[0008]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hereinafter, the present invention will be described in detail.
The 3- (3-hexenyl) -2-cyclopentenone represented by the formula (1) according to the present invention is a trans-form of 3- (3E-hexenyl) -2-cyclopentenone alone having a trans chain, Represents cis-form 3- (3Z-hexenyl) -2-cyclopentenone alone or a mixture thereof. These compounds or mixtures have an excellent scent and are effective as fragrances. In particular, 3- (3Z-hexenyl) -2-cyclopentenone having a cis side chain has an excellent scent and is effective as a fragrance.
That is, all of the above compounds have a peculiar aroma such as green, floral, citrus, fatty and nitrile, but the trans form has a stronger green feeling and the cis form has a more fruity feeling.
Further, by mixing 3- (3-hexenyl) -2-cyclopentenone, which is the compound of the present invention, with a commonly used perfume component to prepare a perfume composition, the perfume composition has a natural feeling with a large volume. It can be said that this is a very useful high-grade fragrance that can give an impacty body note and give a scent with “texture”.
[0009]
The 3- (3E-hexenyl) -2-cyclopentenone represented by the formula (1) of the present invention is a compound not described in any literature. This compound can be produced, for example, by the following method. That is, in the synthesis route of cis-jasmon by the cis-selective Wittg reaction of furanyl aldehyde synthesized from 2-methylfuran and acrolein (J. Chem. Soc., C, 1024 (1969)), the literature is described (Angew. Chem.). Int. Ed. Engl., 5, 126 (1966)) to obtain the corresponding trans form. This is cyclized by acidic hydrolysis and basic aldol condensation under the same conditions as in the cis-form synthesis to give a mixture of the corresponding trans-jasmon and 3- (3E-hexenyl) -2-cyclopentenone. The desired 3- (3E-hexenyl) -2-cyclopentenone can be separated and prepared by subsequent silica gel column chromatography separation.
[0010]
Figure 0003574861
The method for producing 3- (3Z-hexenyl) -2-cyclopentenone is not particularly limited. However, in addition to the fact that several% can be obtained as a by-product during the synthesis of cis-jasmon as described above, the following report is also available. It can be manufactured by the given method.
For example, a route has been reported in which 3Z-hexenyllithium is added to cyclopentenone by 1,2 and then oxidized via allylic rearrangement (J. Org. Chem., 39, 2317 ( 1874)).
[0011]
Figure 0003574861
A mixture of 3- (3Z-hexenyl) -2-cyclopentenone and 3- (3E-hexenyl) -2-cyclopentenone can be obtained by preparing both and then mixing them in an arbitrary ratio. Can be
[0012]
The 3- (3-hexenyl) -2-cyclopentenone of the present invention can provide a favorable scent even when added in a very small amount, and thus can be used for various cosmetics base materials which require fragrance perfume. Can be smelled. That is, although it differs depending on the material to be perfumed, for example, an excellent effect is exhibited by adding about 0.0000001% by weight of 3- (3-hexenyl) -2-cyclopentenone to the material to be perfumed. . Since 3- (3-hexenyl) -2-cyclopentenone has a peculiar fragrance and excellent persistence, it may be used alone as a fragrance component. A mixture of one or two types of bodies can be used as a perfume composition by mixing it with a commonly used perfume component.
The term "perfume composition" as used herein refers to a mixture of 3- (3-hexenyl) -2-cyclopentenone and one or more commonly used perfume ingredients. A wide range of fragrances can be used as the fragrance component, and the fragrance is not particularly limited. , "Perfume and Flavor Chemicals", published by the author, Montairair, N.W. J. (USA) Ingredients such as those described in 1969 can be used. Representative examples include α-pinene, limonene, menthol, phenylethyl alcohol, styryl acetate, eugenol, rose oxide, linalool, benzaldehyde, muscone, methyl dihydrojasmonate, cis-jasmon, dihydrojasmon, and γ-undeca Examples include lactone, hexylcinnamic aldehyde, jasmar, heliobute, and the like, but are not particularly limited thereto.
[0013]
The amount of the 3- (3-hexenyl) -2-cyclopentenone of the present invention in the fragrance composition varies depending on the type and purpose of the prepared fragrance, but is 0.000001% by weight to 10% in the composition. %, Preferably about 0.00001% to 1% by weight, more preferably about 0.0001% to 0.1% by weight.
[0014]
When 3- (3-hexenyl) -2-cyclopentenone of the present invention is used alone or when a perfume composition containing the compound is added to a perfume preparation such as shampoos and rinses, the diffusibility and retention are enhanced, and A fresh, highly palatable aroma can be imparted. The fragrance or fragrance composition of the present invention can be suitably used as a fragrance component for cosmetics, health and hygiene materials, pharmaceuticals and the like. That is, shampoos, rinses, perfumes, colons, hair tonics, hair creams, pomades, cosmetic base materials for hair, other cosmetic base materials and cosmetic detergents, indoor air fresheners, soaps, dishwashing detergents, laundry detergents , Softeners, disinfecting detergents, deodorant detergents, furniture care, disinfectants, disinfectants, repellents, bleaching agents, various other sanitary detergents, toothpaste, mouthwash, toilet paper, and medicine , Which can be used as a flavoring agent or the like for facilitating the production of such products, and can increase their commercial value.
[0015]
【Example】
Hereinafter, the present invention will be described with reference to Examples and Comparative Examples, but the present invention is not limited thereto. The measuring instruments and measuring conditions used in the examples are shown below.
(1) Gas chromatograph (GC);
Equipment: HP-6890A (Hewlett Packard)
Column: HP-5 (30m × 0.32mm × 0.25μm)
(Hewlett-Packard)
Carrier gas: Helium Measurement temperature: 100-220 ° C (temperature rises at 10 ° C / min)
(2) infrared absorption spectrum (IR);
Equipment: AVATAR 360FT-IR (Nicolet)
(3) Proton nuclear magnetic resonance spectra (1 H-NMR);
Equipment: DRX-500 (500MHz) (Brucker)
Internal standard: tetramethylsilane (4) mass spectrum (MS);
Equipment: M-80B mass spectrometer (ionization voltage: 20 eV)
(Manufactured by Hitachi, Ltd.)
[0016]
Example 1a Synthesis of 2- (3E-hexenyl) -5-methylfuran n-propyltriphenylphosphonium bromide (0.141 mol) was placed in a 2000 ml four-necked reactor equipped with a thermometer and a condenser. And anhydrous tetrahydrofuran (THF) (300 ml) were charged, and a phenyllithium ethyl ethyl ether solution (0.50 mol / l, 261 ml) was added dropwise with stirring at -60 ° C over 1 hour. After the cooling bath was removed and the temperature was raised to 0 ° C. over 1.5 hours, the mixture was stirred for 1 hour. To this solution, a solution (100 ml) of 3- (5-methylfuran-2-yl) propanal (15.0 g, 0.109 mol) in anhydrous ethyl ether was added dropwise at -70 ° C over 1.5 hours. The temperature was raised to -30 ° C over 40 minutes. Thereafter, a phenyllithium ethyl ether solution (0.50 mol / l, 368 ml) was again added dropwise over 1 hour, and after stirring for 15 minutes, a hydrogen chloride ethyl ether solution (5.6 mol / l, 114 ml) was added at −30 ° C. for 45 minutes. The mixture was added dropwise over a period of minutes and stirred for 5 minutes. Finally, potassium t-butoxide (92.4 g, 0.823 mol) was added over 10 minutes at −30 ° C., and anhydrous ethyl ether (600 ml) was added, and the cooling bath was removed, followed by stirring for 2.5 hours. The reaction solution was poured into water to stop the reaction, the organic layer was washed with water, saturated brine, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The concentrate was washed with pentane, and the dissolved oil was concentrated to obtain 24.3 g of a crude product. Then, 13.4 g (yield 74%, bp 78 ° C./120 Pa) of 2-3.4 g was obtained by simple distillation. (3E-Hexenyl) -5-methylfuran was obtained (cis / trans = 7/93).
[0017]
1 H NMR (500 MHz, CDCl 3 , δ) ppm: 0.96 (t, 3H, J = 7.5 Hz), 1.95-2.04 (m, 2H), 2.25 (s, 3H), 2 .27-2.34 (m, 2H), 2.58-2.64 (m, 2H), 5.38-5.54 (m, 2H), 5.82-5.86 (m, 2H) .
IR (film) cm -1 : 2961, 1570, 1219, 1022, 966.
MS (m / e): 164 (M +), 133, 121, 108, 95, 91, 77, 67, 65, 53, 43, 41, 39, 27.
[0018]
Example 1b Synthesis of 8E-undecene-2,5-dione In a 100 ml four-necked reactor equipped with a thermometer and a condenser, 2- (3E-hexenyl) -5-methylfuran (8.65 g, 52 (0.7 mmol), acetic acid (8.99 g), water (4.47 g) and concentrated sulfuric acid (0.12 g), and stirred at 97 ° C. for 3 hours. Hexane and water were added to the reaction solution, and the mixture was separated. The organic layer was washed twice with water, saturated brine, dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain 9.51 g of a crude product. This was separated and purified by silica gel column chromatography (hexane / ethyl acetate = 15/1 (volume ratio)) to obtain 8.38 g of 8E-undecene-2,5-dione (yield 88%, cis / Trans = 7/93 (weight ratio)).
[0019]
1 HNMR (500 MHz, CDCl 3 , δ) ppm: 0.95 (t, 3H, J = 7.5 Hz), 1.94-2.02 (m, 2H), 2.22-2.30 (m, 2H), 2.48-2.55 (m, 2H), 2.64-2.73 (m, 4H), 5.32-5.40 (m, 1H), 5.44-5.52 ( m, 1H).
IR (film) cm- 1 : 3028, 2963, 2933, 1713, 1403, 1367, 1173, 1096, 969.
MS (m / e): 182 (M +), 124, 114, 99, 95, 83, 71, 69, 55, 43, 41, 29.
[0020]
Example 1c Synthesis of 3- (3E-hexenyl) -2-cyclopentenone In a 100 ml four-necked reactor equipped with a thermometer and a condenser, 8E-undecene-2,5-dione (7.0 g, 38.4 mmol), 50% sodium hydroxide (2.31 g) and water (28.2 g) were charged, and the mixture was heated and stirred at a reaction temperature of 97 ° C. for 5 hours. Hexane and water were added to the reaction solution, and the mixture was separated. The organic layer was washed twice with water, saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain 6.1 g of a crude product. This was separated and purified by silica gel column chromatography (hexane / ethyl acetate = 10/1 (volume ratio)) to obtain 0.35 g of 3- (3E-hexenyl) -2-cyclopentenone (yield). 6%, cis / trans = 7/93 (weight ratio)).
[0021]
1 H NMR (500 MHz, CDCl 3 , δ) ppm: 0.96 (t, 3H, J = 7.5 Hz), 1.96-2.04 (m, 2H), 2.24-2.32 (m, 2H), 2.36-2.42 (m, 2H), 2.44-2.5 (m, 2H), 2.55-2.60 (m, 2H), 5.33-5.42 ( m, 1H), 5.47-5.56 (m, 1H), 5.96 (br.s, 1H).
IR (film) cm -1 : 3028, 2962, 2926, 1712, 1675, 1616, 1438, 1185, 970.
MS (m / e): 164 (M +), 149, 136, 122, 107, 96, 91, 79, 69, 53, 41, 39, 27.
[0022]
Example 2 Preparation of 3- (3Z-hexenyl) -2-cyclopentenone Instead of 8E-undecene-2,5-dione of Example 1c, the above reference (J. Org. Chem., 31, 977 (1966)), using 8Z-undecene-2,5-dione (7.0 g) obtained according to the method described in Example 1c as a starting material, and reacting in the same manner as in Example 1c, followed by silica gel column chromatography. Separation and purification (hexane / ethyl acetate = 10/1 (volume ratio)) gave 0.33 g of 3- (3Z-hexenyl) -2-cyclopentenone (yield 5%).
[0023]
1 HNMR (500 MHz, CDCl 3 , δ) ppm: 0.96 (t, 3H, J = 7.5 Hz), 2.01-2.09 (m, 2H), 2.30-2.38 (m, 2H), 2.36-2.42 (m, 2H), 2.44-2.5 (m, 2H), 2.55-2.60 (m, 2H), 5.27-5.34 ( m, 1H), 5.40-5.48 (m, 1H), 5.96 (br.s, 1H).
IR (film) cm -1 : 3007, 2962, 2932, 1712, 1675, 1616, 1438, 1185.
MS (m / e): 164 (M +), 149, 136, 122, 107, 96, 91, 79, 69, 53, 41, 39, 27.
[0024]
Example 3 Evaluation of Aroma The odor evaluation of 3- (3-hexenyl) -2-cyclopentenone synthesized in Examples 1 and 2 was carried out by seven expert panelists.
Table 1 shows the results.
Figure 0003574861
As described above, the compound of the present invention had a green, floral, citrus, nitrile-like and highly peculiar aroma.
[0025]
Example 3 Production of a shampoo fragrance composition
Figure 0003574861
[0026]
Comparative Example 1 The procedure of Example 3 was repeated except that dipropylene glycol (DPG) was used instead of 3- (3Z-hexenyl) -2-cyclopentenone (1% DPG). A shampoo fragrance composition was prepared according to the same formulation.
[Evaluation Results of Example 3 and Comparative Example 1]
As a result of evaluating the fragrance composition of Example 3 and Comparative Example 1, the fragrance composition based on the formulation of Example 3 containing 3- (3Z-hexenyl) -2-cyclopentenone has a sense of volume. Green floral body notes could be added.
[0027]
Example 4 Production of a fragrance composition for soap
Figure 0003574861
[0028]
Comparative Example 2 The procedure of Example 4 was repeated except that dipropylene glycol (DPG) was used instead of 3- (3E-hexenyl) -2-cyclopentenone (1% DPG). A shampoo fragrance composition was prepared according to the same formulation.
[Evaluation Results of Example 4 and Comparative Example 2]
As a result of evaluating the fragrance composition of Example 4 and Comparative Example 2, the fragrance composition based on the formulation of Example 4 containing 3- (3E-hexenyl) -2-cyclopentenone showed a green floral-like appearance. I was able to give the impact of a natural body note.
[0029]
Example 5 Production of perfume fragrance composition
Figure 0003574861
Figure 0003574861
[0030]
Comparative Example 3 The procedure of Example 5 was repeated except that dipropylene glycol (DPG) was used instead of 3- (3-hexenyl) -2-cyclopentenone (1% DPG). A perfume fragrance composition was prepared according to the same formulation.
[Evaluation Results of Example 5 and Comparative Example 3]
As a result of evaluating the fragrance composition of Example 5 and Comparative Example 3, it was found that the fragrance composition based on the formulation of Example 5 containing 3- (3-hexenyl) -2-cyclopentenone had a green floral freshness. Was able to give a natural impact.
[0031]
【The invention's effect】
The 3- (3-hexenyl) -2-cyclopentenone provided by the present invention can provide a preferable scent with a small amount of addition, and can provide a so-called "rich" or "deep" scent. It has the feature of. In other words, the above-mentioned 3- (3-hexenyl) -2-cyclopentenone can be said to be a high-grade fragrance that gives a so-called “texture” scent. In addition, it has excellent compatibility with other fragrances and many compounds, so it is a very important fragrance as a component of the compounded fragrance, and various fragrances and cosmetics that require fragrance perfume, hygiene insurance materials, etc. It was possible to make scenting possible for the substrate. In other words, it has a unique fragrance and has excellent persistence, so it may be used alone as a fragrance component.However, a mixture of one or two double bond isomers is usually used. It can also be used as a perfume composition by mixing with the perfume component.

Claims (3)

一般式(1)
Figure 0003574861
(1)
(式中、波線は二重結合のシス体および/またはトランス体を示す)で表される3−(3−へキセニル)−2−シクロペンテノンからなる香料素材
General formula (1)
Figure 0003574861
(1)
(Where the wavy line represents a cis- and / or trans-form of a double bond) a perfume material comprising 3- (3-hexenyl) -2-cyclopentenone.
請求項1記載の3−(3−へキセニル)−2−シクロペンテノンからなる香料素材を有効成分として含有することを特徴とする香料組成物。A fragrance composition comprising a fragrance material comprising the 3- (3-hexenyl) -2-cyclopentenone according to claim 1 as an active ingredient. 一般式(1)
Figure 0003574861
(1)
(式中、波線は二重結合のシス体および/またはトランス体を示す)で表される3−(3−へキセニル)−2−シクロペンテノンを賦香したい材料中に配合することを特徴とする賦香方法。
General formula (1)
Figure 0003574861
(1)
(Wherein the wavy line indicates a cis-form and / or a trans-form of a double bond), characterized in that 3- (3-hexenyl) -2-cyclopentenone is blended into a material to be perfumed. Perfume method.
JP2001385182A 2001-12-18 2001-12-18 Fragrance composition containing 3- (3-hexenyl) -2-cyclopentenone Expired - Fee Related JP3574861B2 (en)

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JP2001385182A JP3574861B2 (en) 2001-12-18 2001-12-18 Fragrance composition containing 3- (3-hexenyl) -2-cyclopentenone
US10/309,096 US6903067B2 (en) 2001-12-18 2002-12-04 Fragrance composition containing 3-(3-hexenyl)-2-cyclopentenone
DE60209664T DE60209664T2 (en) 2001-12-18 2002-12-13 Perfume composition containing 3- (3-hexenyl) -2-cyclopentenone
ES02258616T ES2259697T3 (en) 2001-12-18 2002-12-13 FRAGRANCE COMPOSITION CONTAINING 3- (3-HEXENIL) -2-CYCLOPENTENONE
AT02258616T ATE319794T1 (en) 2001-12-18 2002-12-13 PERFUME COMPOSITION CONTAINING 3-(3-HEXENYL)-2-CYCLOPENTENONE
EP02258616A EP1321508B1 (en) 2001-12-18 2002-12-13 Fragrance composition containing 3-(3-Hexenyl)-2-cyclopentenone
KR10-2002-0080144A KR100529819B1 (en) 2001-12-18 2002-12-16 Fragrance composition containing 3-(3-hexenyl)-2-cyclopentenone
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