TW213458B - - Google Patents
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- TW213458B TW213458B TW081109959A TW81109959A TW213458B TW 213458 B TW213458 B TW 213458B TW 081109959 A TW081109959 A TW 081109959A TW 81109959 A TW81109959 A TW 81109959A TW 213458 B TW213458 B TW 213458B
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- general formula
- patent application
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/16—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/24—Halogenated derivatives
- C07C39/373—Halogenated derivatives with all hydroxy groups on non-condensed rings and with unsaturation outside the aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Non-Reversible Transmitting Devices (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Cosmetics (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
A6 B6 五、發明説明(1.) 此發明係關於下列通式
R
Ha 1 (請先«trip面之注意事項再填寫本買) 之被取代之五烷基色滿,其中R代表一帶1 — 4碳原子之 低烷基組別,而Hal代表氣,溴或碘,及其製備之方法。 .丨裝. 色滿類,尤其是通式I之四甲基衍生物,爲製備例如 是降低血脂肪性藥物(J· Med. Chem, 1989,翌,P.421) 之有用中間產物。 訂. 爲了製備上述之藥物,已知需用下列通式
0H 經濟邾中央標率廣RJ-消费合作社印製 之羥烷基色滿作爲中間產物(J. Med. Chem. 1989,翌, p.421)。 根據德國專利案第3,010,504號,此等經燒基色滿 類,可由其相應之氫魷類及相應之丁烯醇類,以只有工[ %之回收率製得。 根據德國專利案第2,364, 165號,亦知幾 本纸张尺度適用中國國家標準(CNS)甲4規格(210 X 297公釐) A6
五、發明説明(2.) 之合成爲-多步_程,但此合成_料贵, 作工業反應。 與用 此發明之目的,乃發展上述藥物之新途徑,以致其不 必有上述已知過程及中間產物之缺點。 根據申請專利範園第1項所述之被取代之五燒基色滿 及其製備之簡單方法,可達此發明之目的。 在第一步驟中,根據此項發明,乃先將下列通式 {精先闻穿面之注意事項再餐本頁)
0H 裝·
R II 訂 之二燒基氫’其中R.如上述定義,跟下列通式 H0
Hal
Ilia
Hal 經濟部中央標準局貝工消费合作社印製
Illb 之鹵化丁烯醇反應,其中Hal如上述定義,在〆里維氏酸 (Lewis acid)之存在下,以致一下列通式
R
Hal 本紙張尺度適用中國國家揉準(CNS)申4規格(210 X 297公釐) 81.10.20.000 A6 B6 烴 濟 部 中 央 標 率 扇 n JC. 消 作 社 印 製 五、發明説明(3·) 之四烷基氫Μ形成,其中之R及Hal如上述之定義。此等 化合物至今仍未被述及,而包括爲本發明之一部份。 更佳者,爲將三甲基氫Ϊ昆(通式者), 跟1 —氣一2 —甲基丁一 3 -浠一2 —酵(通式III a中 Hal=Cl者)反應,而產生相應之四烷基氩馘(通式iv中 R=CH3 及Hal=Cl者)。 便利地可利用之里維氏酸爲氣化鐵,三氟甲烷磺酸錫 或三氟化删或其複合化合物之一,更佳者爲三氟化硼或其 複合化合物之一,例如是醚化三氟化硼。便利地採用之里 維氏酸數量,爲相對於被採用三烷基氫馘之丨至5克分子 量0 此反應乃優先地‘在一惰性溶劑中,例如是甲苯或鹵化 碳氫化合物中,例如是氣化亞甲烷,在一介乎—1〇。〇與5〇 °C之溫度,優先者爲室溫下進行。 較佳之方法,,·爲當起始原料(三烷基氫魷)已實際上 無法在反應混合物中測得時,使將反應停止,並將製得之 四烷基氫U分離析出。 在接下之步驟中,通式IV之四烷基氫戕,便在一強酸 之存在下環化’成爲通式I之最終產物。 便利地使用之強酸,爲—種強布朗史達酸(Bronsted acid),例如是三氟甲烷磺酸,鹽酸或氟磺酸。 此等布朗史達酸乃便利地,相對於四烷基氫馘之〇 〇5 至2克分子量間被使用。 環化作用乃優先地在-非極性溶劑,例如是甲苯 四 (請先閲面之注i項再f本頁) •丨裝. 訂· 本纸张剌中8S家辟(CNS)甲4規格(21〇 X 297^J7 8L10.20.000
五、發明説明(4.) 氣化碳或已烷之存在下進行。溫度則爲—1〇。(::與7〇。(::間 更佳者爲室溫。 製得通式I被取代之五烷基色滿,至今仍未被述及 較佳之衍生物爲2 ~氣甲基_ 6 _羥—2 , 5 , 7,8 四甲基色滿,即R=CH3及Hal = Cl者。 實例 a)製備2 L.1 二-甲某丁一 2 —締一4 -基) (請先StfSe面之注$項再β^本頁) 經濟部中央標準局工消费合作社印製 丄’ 4 一二羥—5,6-三甲基笨之方法 將二甲基氫Ϊ昆(2.00g,14mmol)在室溫下懸浮於一由 氣苯(10ml)及己烷(5 ml)組成之混合物中。然後將三 氟化领二乙基醚複合物(3.6〇ml,48%強度之三氟化硼在 二乙基瞇之溶液,1.95g之三氟化硼,28mmol)在15分鐘 間加入,1 —氣一» 2 —甲基丁一 3 —婦一2 —醇(2.42g, 20mmol )在15分鐘間一滴一滴慢慢加入。30分鐘後,將反 應混合物過濾,濾出液以氣苯(l〇ml)清洗,並在4〇°C/ 20mbar下乾燥8小時。此可製得2.24g (62.6%)之2 — (氣一2 — 甲基丁一 2 —缔一4 一基)一 1,4一二 羥一3,5,6 —三甲基苯。融點:1 1 8 — 1 2 2。(:(分解)XH-NMR: (CDCla » 300MHz)d以ppm計算:5.50 (t, 1H, J=7, Hz);4.02 (s, 2H);3.45 (d, 2H, J=7, 5Hz); 本纸張八度適用中國固家標準(CNS)甲4規格(210 X 297公釐) 81.10.20,000 —裝· 訂- i^· A6 B6 如4【丄. 五、發明説明(5.) 2.17 (s, 6H); 2.15 (s, 3H); 1.95 ( s,3H) 異構體: 5.48 (t,1H,J=7, 5Hz); 4.02 (s,2H); 3.48 (d,2H, J=7, 5Hz); 2.17 (s, 6H); 2.15 (s, 3H); 1.95 (s, 3H); b)製備2 —氣甲基一6 —經_2,5,7,8 —四曱基色 滿之方法 將2 —(1 —氣一 2 —甲基丁一 2—烯一4 一基)一 1,4 —二經一3,5 , 6 —三甲基苯(4.2g,16mo 1 ) 懸浮於四氣化碳中(200ml)。然後將三氟甲烷磺酸(1.44ml ,2.44g,16mm〇l)加入,並將反應混合物挽拌。30分鐘後 ,加入水(100 ml)及將混合物以氣化亞甲烷(100ml)萃 取。將有機相乾燥(MgSCU )及濃縮。此可製得2_氣甲 基一6-羥一2,5,7,8—四甲基色滿(5.3g)。將 之由己烷(40ml)中再結晶出後,可製得2.7g (64%)之 純2 —氣甲基一6_經一2,5 » 7 ’ 8 —四甲基色滿0 融點:77—82°C ^-NMR: (CDCls, 300MHz) d以ppm計算: 4.25 (s, 1H); (請先聞讀背面之注$項再f本頁) -丨裝. 訂· 經濟部中央標準局®:工消费合作社印製 本紙張尺度適用中國國家標準(CNS〉甲4規格(210 X 297公釐) 81.10.20,000 A6 B6 2134^- 五、發明説明(6·) 3.53 (d, 1H, J=12, OHz); 3.50 (d, 1H,J=12, OHz); 2.62 (t, 2H, J=7, OHz); 2.17 (s,3H); 2.11 (s,6H); 2.10-2.02 (m, 1H); 1.90-1.78 (m, 1H); 1.40 (s,3H); (請先聞讀背面之注意事項再ίΛ寫本頁) 經濟部中央標準局B工消费合作社印製 本紙張尺度適用中國國家標準(CNS)甲4規格(210 X 2耵公釐) 8U0.20.000
Claims (1)
- S' A7 B7 C7 D7 August 6, 1993 六、申請專利範圍 第81109959號專利案申請專利範園修正本 1. 一種下列通式 HOHa 1 之被取代之五坑基色滿,其中R代表一帶1至4破原 子之低燒基組別,而Hal則爲氣,溴或破。 2· —種下列通式 yV〇 Cl la 之2—氣甲基一 6 —羥一2,5,7,8 —四甲基 色滿。 3· —種製備下列通式 (請先閲请背面之注意事項再寫本頁) 經濟都中央標準局B工消費合作社印« HOHal 被取代之五烷基色滿之方法,其中R代表一帶1至4碳 原子之低烷基組,而Hal代表氯,溴或碘,其特徵爲 本纸又度適用中國國家標準(CNS)甲4覘格(210 X 297公釐) 六、申請專利範圍,屬下列通式 R0H Α7 Β7 C7 D7 II 之一種二燒基览Μ’其中R如上述定義者,跟下列通式^ Η0 Hal Ilia (請先Μ讀背面之注意事項#項窵本頁) —裝· HOHal 訂· 缦濟部中央標準局員工消費合作社印數 RHal Illb 之一種鹵化丁烯酵反應,其中Hal如上述之定義者, 在一種里維氏酸之存在下,反應至產生下列通式 IV 之一種四烷基氫U,其中R及Hal如上述之定義,而 該四烷基氩馘,最後在一種強酸之存在下,環化爲最 終產物。 衣紙張尺度適用中固國家標準(CNS)甲4規格(210 X 297公釐) A7 Β7 C7 D7 經濟,中央標準局員工消费合作社印製 六、申請專利範圍 4. 根據申請專利範圍第3項所述之方法’其特徵爲,作 爲通式Π之三燒基氫Η,乃抹用之三曱基街 生物,並採用通式III a,Hal二C 1時之1 —氣~~ 2一甲基—丁一3—烯一2—醇,作爲鹵化之丁烯 醇〇 5. 根據申請專利範園第3或4項所述之方法,其特徵爲 ,作爲里維氏酸者,乃採用三氟化硼或其複合化合物 之一。 6. 根據申請專利範園第5項所述之方法, 其特徵爲,產生四燒基氫Μ之反應,乃在一介乎―扣 °(:與50°(:之溫度間,在一種惰性溶劑之存在下進行。 7. 根據申請專利範圍第6項所述之方法, 其特徵爲,產生四烷基氫Μ反應之進行方法,爲當起 始原料三烷基氫醜實際上已無法在反應混合物中測得 時,便立即將反應停止,並將製得之四燒基聽分離 出。 8. 根據申請專利範園第3項所述之方法, 爲環化作用之賊,會採用—财蚊達酸。·’9. 根射請專利範㈣8頻述之核 ,環化作用乃在一非極性溶劑中 與肌之間進行。 辦“度介乎-KTC10.下列通式 X 297公釐) (請先^¾面之注意事,fi再項鸾本頁} -—裝· 訂. 線· • n n n · A7 B7 C7 D7 R六、申請專利範圓 Hal IV 之被取代之四燒基氫M,其中R及Hal如申請專利範 圍第1項所定義。 11· 2 — ( 1 — 氣一2 — 甲基丁 一 2—烯一 4—基)一1 ,4 一二經一3 , 5,6 —三甲基苯 (請先W讀背面之注意事項#??寫本頁) H0IYa 經济部中央標準局δ工消费合作社印奴 本纸又度適用中國國家摞準(CNS)甲4規格(210 X 297公货〉
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH339391 | 1991-11-20 |
Publications (1)
Publication Number | Publication Date |
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TW213458B true TW213458B (zh) | 1993-09-21 |
Family
ID=4255007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW081109959A TW213458B (zh) | 1991-11-20 | 1992-12-11 |
Country Status (10)
Country | Link |
---|---|
US (2) | US5313007A (zh) |
EP (1) | EP0543345B1 (zh) |
JP (1) | JPH0665229A (zh) |
KR (1) | KR930010021A (zh) |
AT (1) | ATE111094T1 (zh) |
CA (1) | CA2082004A1 (zh) |
DE (1) | DE59200471D1 (zh) |
DK (1) | DK0543345T3 (zh) |
ES (1) | ES2059187T3 (zh) |
TW (1) | TW213458B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1280417B1 (it) * | 1995-04-14 | 1998-01-20 | Alfa Wassermann Spa | Composti a struttura 3,4 diidro-2-iodometil-2,5,7,8-tetrametil-2h-1 benzopiranica. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA739471B (en) * | 1972-12-22 | 1974-08-28 | Hoffmann La Roche | Chromane derivatives |
JPS567737A (en) * | 1979-07-02 | 1981-01-27 | Takeda Chem Ind Ltd | Physiologically active quinone and its preparation |
DE3010504A1 (de) * | 1980-03-19 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von 2-hydroxyalkylchromanen |
CA2002649C (en) * | 1988-11-14 | 2000-06-06 | Margaret Petty | Cardioprotective tocopherol analogs |
US5135945A (en) * | 1991-06-05 | 1992-08-04 | Merrell Dow Pharmaceuticals Inc. | Cholesterol-lowering tocopherol analogs |
-
1992
- 1992-11-03 CA CA002082004A patent/CA2082004A1/en not_active Abandoned
- 1992-11-17 AT AT92119636T patent/ATE111094T1/de not_active IP Right Cessation
- 1992-11-17 ES ES92119636T patent/ES2059187T3/es not_active Expired - Lifetime
- 1992-11-17 EP EP92119636A patent/EP0543345B1/de not_active Expired - Lifetime
- 1992-11-17 DK DK92119636.6T patent/DK0543345T3/da active
- 1992-11-17 DE DE59200471T patent/DE59200471D1/de not_active Expired - Fee Related
- 1992-11-19 KR KR1019920021748A patent/KR930010021A/ko not_active Application Discontinuation
- 1992-11-19 JP JP4310354A patent/JPH0665229A/ja active Pending
- 1992-12-11 TW TW081109959A patent/TW213458B/zh active
-
1993
- 1993-03-05 US US08/026,811 patent/US5313007A/en not_active Expired - Fee Related
- 1993-03-05 US US08/026,810 patent/US5310953A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE111094T1 (de) | 1994-09-15 |
US5313007A (en) | 1994-05-17 |
DK0543345T3 (da) | 1994-10-17 |
KR930010021A (ko) | 1993-06-21 |
EP0543345A1 (de) | 1993-05-26 |
JPH0665229A (ja) | 1994-03-08 |
ES2059187T3 (es) | 1994-11-01 |
DE59200471D1 (de) | 1994-10-13 |
EP0543345B1 (de) | 1994-09-07 |
CA2082004A1 (en) | 1993-05-21 |
US5310953A (en) | 1994-05-10 |
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