TW528803B - Microbiological process for the preparation of heteroaromatic carboxylic acids using microorganisms of the genus Alcaligenes - Google Patents
Microbiological process for the preparation of heteroaromatic carboxylic acids using microorganisms of the genus Alcaligenes Download PDFInfo
- Publication number
- TW528803B TW528803B TW085107071A TW85107071A TW528803B TW 528803 B TW528803 B TW 528803B TW 085107071 A TW085107071 A TW 085107071A TW 85107071 A TW85107071 A TW 85107071A TW 528803 B TW528803 B TW 528803B
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- Prior art keywords
- acid
- converted
- heterocyclic aromatic
- biotransformation
- carboxylic acids
- Prior art date
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- 244000005700 microbiome Species 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- -1 heteroaromatic carboxylic acids Chemical class 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 241000588986 Alcaligenes Species 0.000 title abstract description 6
- 230000002906 microbiologic effect Effects 0.000 title abstract 2
- 230000036983 biotransformation Effects 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 125000005843 halogen group Chemical group 0.000 claims abstract description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 4
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 claims description 21
- 229940081066 picolinic acid Drugs 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 9
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 2
- 150000002772 monosaccharides Chemical class 0.000 claims description 2
- 150000005846 sugar alcohols Chemical class 0.000 claims description 2
- 241000588813 Alcaligenes faecalis Species 0.000 claims 2
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- BHAKRZKVDKGVIE-UHFFFAOYSA-N 2-pyridin-2-yl-1H-pyridine-2-carbonitrile Chemical compound C(#N)C1(NC=CC=C1)C1=NC=CC=C1 BHAKRZKVDKGVIE-UHFFFAOYSA-N 0.000 claims 1
- 241001037822 Bacillus bacterium Species 0.000 claims 1
- 229940005347 alcaligenes faecalis Drugs 0.000 claims 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 150000001720 carbohydrates Chemical class 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 abstract 1
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 17
- 239000002253 acid Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
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- 230000029052 metamorphosis Effects 0.000 description 1
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- 239000011707 mineral Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000008151 pyridoxamine Nutrition 0.000 description 1
- 239000011699 pyridoxamine Substances 0.000 description 1
- VTGOHKSTWXHQJK-UHFFFAOYSA-N pyrimidin-2-ol Chemical compound OC1=NC=CC=N1 VTGOHKSTWXHQJK-UHFFFAOYSA-N 0.000 description 1
- MUPFEKGTMRGPLJ-ZQSKZDJDSA-N raffinose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO[C@@H]2[C@@H]([C@@H](O)[C@@H](O)[C@@H](CO)O2)O)O1 MUPFEKGTMRGPLJ-ZQSKZDJDSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- PRWXGRGLHYDWPS-UHFFFAOYSA-L sodium malonate Chemical compound [Na+].[Na+].[O-]C(=O)CC([O-])=O PRWXGRGLHYDWPS-UHFFFAOYSA-L 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 229940098465 tincture Drugs 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 150000004043 trisaccharides Chemical class 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/10—Nitrogen as only ring hetero atom
- C12P17/12—Nitrogen as only ring hetero atom containing a six-membered hetero ring
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- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Pyridine Compounds (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Description
528803 A7 ----_____ B7 五、發明説明(L ) 本發明是關於一新穎微生物方法,係製備雜環芳香 族羧酸或其生理上相容之鹽類,通式為
〇
H〇/^N^、COOH
II 其中R^R2可相同或不同,代表一氫或鹵素原子,而χ代表 氮原子或一CH—。 諸如6-羥基晚啶甲酸之雜環芳香族羧酸,是製備藥物 之一重要的中間產物,例如用來製備2_氧嘧啶(Berichte der Deutschen Chemischen Gesellschaft 1912,45, pages 2456-2467)或製備除草劑(EP-A 0 447 004)。 含有腈水合酶及醯胺酶或腈酶之微生物可以把腈轉化 成相對應之故類疋眾所習知的。例如,在EP—A 〇 is? 經濟部中央標準局員工消費合作社印製 中即利用棒狀桿菌、土壤絲菌、桿菌、無芽胞桿菌、球菌 、Brevibacterium屬微生物來製備如菸酸類之有機酸的 微生物方法。此反應必須在光能的存在下進行。Ep—a 〇 444 640提出利用紅球菌屬微生物來製備如於酸類之有機 酸的微生物方法。此反應必須於内醯胺存在下進行。 而且紅球菌屬微生物紅球菌Ji可把2—氰基吡時轉化成 池口井甲酸(Kobayashi et al.,J. of Antibiotics, V〇l. 43 ,No. 10,1990,pages 1316-1320)。然而,這些微生物 本紙張尺度適用中國國家標準(CNS ) A4規格(2l〇2i29g公釐_) 528803 A7 B7 五、發明説明(2·) 並無法將2-氰基池淀轉化成13比淀甲酸(Mathew et a 1., Appl. Environmental Microbiology, Vol. 54, No.4, 1988, pages 1030-1032)。 此外,由EP-A 0 504 818中可知利用2-氰基吡啶之產 驗桿菌屬微生物可把2-氰基吡啶轉化成6-羥基吡啶曱酸。 、 此方法的缺點是形成6-經基咐^定甲酸產率低。 本發明之目的是提供一較具經濟性微生物方法,由產 鹼桿菌屬的微生物來製備雜環芳香族羧酸或其生理上相容 之鹽類。例如吡口井羧酸、吡啶甲酸或吡啶甲酸鉻,其中所 形成之叛酸或其生理上相容鹽類之產率較高。 此目標可利用申請專利範圍第1項之方法達成。 一依據本發明方法是利用在生物轉化作用前經二羧酸、 三叛酸或碳水化合物培養之2—氰基吼淀之產驗桿菌屬微生 物’將雜環芳香族腈類基材轉化成如式工或式辽之雜環芳 香狹竣酸,其中雜環芳香族腈類之通式為 (請先閲讀背面之注意事項再填寫本頁)
、1T 〇 ,X、〇 經 濟 部 中 央 標 準 消 費 合 作 社 印 製 R1
XN
XN
III
IV ”、中x’R及所述之定義。如此即可轉化成 複酸,其中部份成為其生理上相容之 _ 理上相容«在此是指如鉻、贼城之生 1雜環芳香族 在實際生轉化仙之前,財法所用々 又產鹼屬微生 本紙張尺度適用中國 528803
經濟部中央標準局員工消費合作社印製 物-般是要培養的,其有效的酵素可以和2_氯基吼淀一起 導入。2—氰基㈣可用於培養,使用濃度為請至2㈣ ,最好之濃度為〇. 1至lwt〇/Q。 二叛酸在此是指富馬酸、_酸、馬來酸、戊二酸、 丙一故或其鹽類及其衍生物如黯_。 三瘦酸在此是指檸檬酸、異檸檬酸或其鹽類及其衍生 物如酿類。二叛酸及三叛酸之鹽類及衍生物可以是富馬酸 鹽、蘋果酸鹽、丙二酸鹽、草醋酸鹽、檸檬酸鹽、丙烯三 酸鹽、異檸檬酸鹽、2-氧代戊二酸鹽、玻磁鹽或琥祕 -CoA。使用¥馬酸鹽、丙二酸鹽或伽酸鹽較好。 碳水化合物在此指單糖如葡萄糖,雙糖如蔗糖、海藻 糖或麥芽糖,三糖如棉子糖,糖醇如丙三醇。丙三醇是較 適合的碳水化合物。 二羧酸、三羧酸或碳水化合物較合宜之濃度為〇. i至 20wt%,濃度為0· 5至5wt%較好。 可利用眾所習知之培養媒介wKulla等人所用礦物鹽 媒介(Arch· Microbiol·,135,1-7,1983),低莫耳數磷 酸鹽緩衝劑或如表1所列者。最好使用表1所列。 經過培養階段後’在眞正加入基材前,可使用傳統分 離方法來收集微生物或基材可直接加至微生物中。 生物轉化作用之基材即如式瓜及IV之雜環芳香族猜類 ,例如2-氰基吡啶是可買到的化合物。 通式I至IV中之X代表氮原子或一CH—,代表—CH、 較好◦ R1及R2基可相同或不相同,代表氫或鹵素如氣、氣 本紙張尺度適用中國國家標準(CNS ) A4規格1 2102^29¾公曼) ' (請先閱讀背面之注意事項再填寫本頁) •I今 - I ....... Γ- - 言 經濟部中央標準局工消費合作社印製 528803 A7 ______B7^__ 五、發明説明(4·) 、溴或碘。可能之基材如2-氰基吡啶、6-氯氰基吡啶 、5, 6-二氯-2-氰基吡啶、2-氰基吡时、6-氯-2〜氰基吡口井 或6-鼠-2-氧基^1比淀較適合做為基材。 生物轉化作用時基材可一次整批加入或連續地加入, 基材加入媒介之方式以保持媒介中基材濃度不超過2〇wt% 較適合,最好是以不超過l〇wt〇%。 生物轉化作用一般都以固定的細胞進行,而使用Ep_ A 0 504 818中利用2-氰基吡啶之產鹼桿菌屬微生物,此 微生物命名為DSM 6335,也可使用其相同功能之變形及突 變異種。這些微生物在1991年3月1日依據布達佩斯協議記 錄在 Deutsche Sammlung von Mikroorganismen und
Zellkulturen GmbH, Mascheroder Weg lb, D-38124 Braunschweig o 「相同功能之變形及突變異種」是指具有和原來之微 生物相同性質及功能之微生物。變形和突變異種可以利用 如UV光照射而達成。 生物轉化作用所用之媒介可以和培養微生物時所用之 媒介相同。生物轉化作用也可在有或無上述二羧酸、三羧 酸或碳水化合物存在狀態下進行。 通合之pH値為4至10,而pH値在5至9較適合。生物轉 化作用可在溫度10至5代範園進行,溫度在2〇〜价較 合。 通常轉化時間為6至副小時,接著可利用一般激於方 法如利用酸化,而得到如式! Μ之適當舰。幾酸切 (請先閱讀背面之注意事項再填寫本頁) 衣· 、ΐΤ
528803 A7
以如銨鹽或鉻鹽的科被分離出。 饭汉所製備《雜環芳香族舰是在版置有堯基取代 如通式Π)則生物轉化作用在好氧的條件下進行較適合 :然而,假設所製備之雜環芳香族舰巾無減如吼淀甲 酸則其生物轉化作用在厭氧的條件下進行較適合。 實例 Θ 實例1 i備6-#f某晚喩 △使用產驗桿菌屬微生物 θ335來製備6—魅吼淀甲 酸之條件如下列。使用一有5升操作空間之7·5升發酵桶, 在礦物鹽媒介(表D中培養產驗桿菌_ 6咖。富馬酸 鈉鹽是唯一的碳及能源,並以2—氰基吡啶為誘導物,在3〇 °C 60〇rpm及ΡΗ=7·0的環境下進行。這段期間之充氣速率 、、、勺為3升/分4里,當ρ〇2 >3〇%時,以ρ〇2來控制添加富馬酸 鈉鹽。使用20%濃度之冨馬酸鈉鹽原料溶液,其中含有〇 $ %之2-氰基吡啶。在生物轉化作用前,細胞先培養直到約 23小時其光學密度在650nm測定値(〇%50)為16。在成長的 經濟部中央標準局員工消費合作社印裂 階段約使用160g的濃度為20%富馬酸鈉鹽溶液(約8〇〇ml) 〇 在2-氰基咐^定及6-#坐基0比淀甲酸之!氧生物轉化作用 是不添加碳及能源。生物轉化作用是在固定的細胞中進行 〇 利用幫浦限量地加入2-氰基吡啶,幫浦送料速率以 HPLC作「線上」監控。中間體吡啶甲酸之濃度限制在小於 巧氏張尺度適财關家標準(CNS ) A4規格(2吧2_隻) ------ 528803 A7 B7 五、發明说明(6·) 2g/l,否則吡哫甲酸轉化成6—羥基吡啶甲酸會被抑制。呼匕 症甲敗之生成速率較吼啶甲酸轉化成6—羥基吡啶甲酸之速 率大2· 5倍(10g/l.h to 4 g/l.h)。 因2-氰基吡啶在室溫為固體,所以必須加熱儲存2—氰 基吡哫足儲槽至50。(:,使之可以液體加料。本方法可以在 31小時内製備75g/l之6-羥基吡啶甲酸。在生物轉化作用 結束時,中間體吡啶甲酸已無法偵測到。 以過濾除去細胞來分離6—羥基吡啶甲酸。將不含細胞 之溶液加熱至60°C,並以濃硫酸酸化至PH=2〜2.5,在此 pH値時,6-羥基吡啶甲酸自溶液中沈澱出。 ,接著携拌並慢慢冷卻至代,過滤後,殘留物以去離 離子^洗務並乾燥⑽此^’执^約有⑽之㈠莖基吨 啶甲酸留在母液中,相對於所使用之2_氰基吼淀 87%。 ’、 ϋ 組成 富馬酸麵鹽 酵母萃取 經濟部中央標準局員工消費合作社印裂 濃度(g/1): 10 1 0.8 0.25 1.0 2. 33 0.2 0. 16
MgCls · 6H2〇 Na2S04 (NHU)2S〇4
NH4CI
NaCl
CaCU · 2H2〇 本紙張尺度適财關家縣(CNS) M規格(2逆幻 528803 經濟部中央標準局員工消費合作社印製 1.8X10-2 3X10-2 2X10-3 3X10-3 0.3 0.75 1 0.4 0.96 A7 五、發明説明(7·)
MnS04 H3BO3 NiCl2 NaMo04 FeS04 · 7H2〇 Na2EDTA · 2H2〇 2-Cyanopyridine KH2P04 Na2HP〇4 實例2 製備吡啶甲酸 生物物吳之培養方式如實例1所示。在嚴密地厭氧條 件下製成吡啶甲酸。在一有橡膠隔膜之5〇〇ml玻璃瓶中加 入450ml之OD65〇=20之生物物質進行生物轉化作用。在% C下進行培養,生物轉化作用前,混合物以純氮氣進行厭 氧處理。為此,氮氣(50mbar表壓)經一針閥通入攪拌中的 混合物30分鐘,以便趕掉氧氣。為了確保防止生物轉化作 用過程中或添加2〜氰基吡啶過程中氧氣進入,在生物轉化 作用過私中保持通氮氣(約1⑽匕虹表壓)。氰基p比淀分a 次加入,每次加料量l〇g/l,每次加料間隔1小時。然而, 也可以連續方法加料,使用HPLC來檢查在次一部份加入 别’原來之2-氰基吼淀是否已完全轉化成池淀甲酸。在生 物轉化作用過程中,並未檢測到有吡啶醯胺形成,用此方 法可在26小時製備150g/l之吡啶甲酸。在此過程中並未形 本紙張尺度適用中國國家椁( ---一 (請先閱讀背面之注意事項再填寫本頁) 訂 528803 Α7 Β7 五、發明説明(8·) 成6-羥基吡啶曱酸。 將不含細胞之吡啶甲酸溶液以氯化鈣/硫酸沈澱而分 離。為此,將實例2中不含細胞之p比淀甲酸溶液稀釋3倍, 並且在不含細胞發酵溶液中加熱至90°C後,於揽拌中加入 0. 5當量之氯化#5對每當量之^2比淀甲酸◦此齊Λ比淀甲酸錯 合體立即沈澱◦攪拌此錯合體並冷卻至4°C,利用玻璃漏 斗(孔度=3)過濾,並用去離子水洗滌。濾餅懸浮在去離 子水中,利用濃硫酸將之酸化至pH=2. 5。在此階段吡啶甲 酸會自錯合體中溶解出來,同時形成不溶之硫酸鈣。因游 離的池淀甲酸極易溶於水,可用過濾、法將硫酸#5去除。池 啶甲酸經乾燥後分析,粗產率為70%經滴定純度為86%,水 含量經Karl—Fischer方法測定為0.7%。 實例3 製備吡啶甲酸鉻(m)鹽 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 氯化鉻結晶水之水溶液( 23. 95克,63ml水中含0.09 111〇16鉻)於3.5小時内滴入一盛有?11=7.1,73°0比啶甲酸 銨鹽溶液(271.4g,0.325mole,16.8%)於500ml燒瓶中。 此紫紅色溶液攪拌1小時後慢慢冷卻至3°C。等所形成之紅 色固體沈澱後,上層藍色層可傾析出,使固體的部份懸浮 在100ml水中30分鐘後再次傾析。再經過50ml水懸浮30分 鐘後,固體部份以吸濾法過濾,並在50°C眞空下乾燥,得 到33.64g暗紅色結晶體(產率90%)。 實例4 利用各種碳源培養產鹼桿菌微生物DSM 6335 本紙張尺度適用中國國家標準(CNS ) A4規格(21化缝」 528803 A7 B7 五、發明説明(9·) 300ml錐形燒瓶中含有i〇〇mi的a+N媒介(表1中不含冨 馬酸鈉鹽)被用於培養產鹼桿菌微生物(DSM 6335),此外 在媒介中加入2gl-1的2-氰基吡啶及l〇gl —1之下列碳源: 富馬酸鈉鹽 丙三醇 丙二酸納鹽 琥ίό酸鋼鹽 在一搖動器中30°C狀態下培養,經過16小時成長後, 將細胞吐出並懸浮在含10§1-2 2-氰基吡啶之新的A+N媒介 (不含竣源)中。此細胞懸浮液之光學密度以650nm( 0D65〇)測定為1〇。細胞懸浮體(總體積ίο-20ml)再於30 °C培養。光譜法來偵測6-羥基吡啶甲酸之生成,即測定不 含細胞溶液在308nm之吸收。生成6-羥基吡啶甲酸之平均 產率測定如下 石炭 經濟部中央標準局員工消費合作社印製 產率(單位gl —1 h—1 2.4 2.0 4.2 0. 14 ---^-------衣-- (請先閱讀背面之注意事項再填寫本頁) 富馬酸鈉鹽 丙三醇 丙二酸鈉鹽 琥珀酸鈉鹽 實例5 製備6-¾基吡时叛酸 以實例4方法使用富馬酸當碳源培養產鹼桿菌屬微生 物(DSM 6335)。洗滌後之細胞再懸浮於含10gl —1 2-氰基 吡口K0D65〇=10)A+N媒介中’並在30°C培養。以光譜法偵
本紙張尺度適用中國國家標準(CNS) A4規格(2iq^H>U 528803 A7 五、發明説明(1〇·) 測6-羥基吡吋羧酸的生成,即測定不含細胞溶液在32〇nm <吸收,也可測量2—氰基吡吋(基材)在270nm吸收度之 降低。在7小時後所使用2_氰基吡口井已轉化成6_羥基吡口井 羧酸。 實例6 製備6-氯吡啶甲酸及吡口井羧酸— 以貪例4方法使用冨馬酸當碳源培養產鹼桿菌屬微生 物(DSM 6335),洗滌後之細胞在玻璃容器(㈤65〇:=ι〇)中懸 浮於A+N媒介,此容器可以橡膠塞子封住。經由針孔充入 氮氣以除去溶解之氧氣,然後加入2—氰基吡坤或6_氯一2_ 氰基咐^定基材至細胞懸浮體中,直到最後濃度為, 並在30 C培養。在3小時後,起始之基材已轉化成相對應 之酸(可由矽膠60螢光指示器,流動相:氯仿3〇/乙醇55 /氨水(25%) 10/水5之薄層分析法來偵測出)。 ----^-------衣-- (請先閱讀背面之注意事項再填寫本頁)
、1T 經濟部中央標準局員工消費合作社印製 本纸張尺度適用中國國家標準(CNS ) A4規格(21化29^旁聲」
Claims (1)
- 補务1 公告本靠 六 申請專利範圍第851〇7〇71號專利案申請專利範團修正本 1· 一種製備雜環芳香族羧酸或其生理上相容之鹽類之微 生物方法,通式為-X、 R1/^N"^、COOH HO 、C〇〇H Π R1,!^可相同或不同,代表一氳或鹵素原予,而χ代表 氮原子或-CH-,其中,利用生物轉化作用前經二羧 酸、單糖或糖醇培養之2-氰基ϋ比啶之命名為DSM6335 之屬於物種Alcaligenes faecalis之產鹼桿菌,將雜環芳 香族腈類基材轉化成相對應雜環芳香族幾酸,其中雜環 芳香族艄*類之通式為R1八N八CN m IIIIIII — — — — — - I 1 I 1 I I I 一5J I « < I I I I I I (請先閱讀背面之注意事項再填寫本頁) 經 濟 部 智 慧 財 產 局 員 工 消 t 合 作 社 印 製 SN IV 、CN R1、R2及X如所述之定義,如此即可轉化成雜環芳香 族羧酸,而後者一部份轉化成其生理上相容之鹽類。 2·根據申請專利範圍第1項所述之方法,其中,生物轉化 作用是在pH為4至10,溫度為10至50°C的條件丁進 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -16 528803 D8六、申請專利範圍 行。 3· 一種製備α比啶甲酸或其生理上相容鹽類之方法,其中, 利用在生物轉化作用前,經二羧酸在厭氧狀態下培養之 叩名為DSM 6335之屬於物種Alcaligenes faecalis之產 驗桿菌,將2-氰基α比啶基材轉化成此啶曱酸,而後者 一邵份轉化成其生理上相容之鹽類。 (請先閱讀背面之注意事項再填寫本頁) -> n ϋ n n 1 n 一5J ΜΗ t a··· κ.β < MM I I 經濟部智慧財產局員Η消費合作社印製 本紙張尺度適用中國_標’準(CNS)A4規袼(21㈡97公釐) -17-
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US5702930A (en) | 1997-12-30 |
JP3810860B2 (ja) | 2006-08-16 |
CZ288989B6 (cs) | 2001-10-17 |
HU219855B (hu) | 2001-08-28 |
KR100471703B1 (ko) | 2005-06-20 |
HU9601582D0 (en) | 1996-07-29 |
NO319146B1 (no) | 2005-06-27 |
SK71696A3 (en) | 1997-01-08 |
CN1127573C (zh) | 2003-11-12 |
DE59603534D1 (de) | 1999-12-09 |
ATE186328T1 (de) | 1999-11-15 |
SK281873B6 (sk) | 2001-08-06 |
DK0747486T3 (da) | 2000-01-31 |
HUP9601582A3 (en) | 2000-04-28 |
ES2140757T3 (es) | 2000-03-01 |
EP0747486B1 (de) | 1999-11-03 |
PT747486E (pt) | 2000-04-28 |
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