DE68913688T2 - Verfahren zur Herstellung von Leukotrien-Antagonisten. - Google Patents
Verfahren zur Herstellung von Leukotrien-Antagonisten.Info
- Publication number
- DE68913688T2 DE68913688T2 DE68913688T DE68913688T DE68913688T2 DE 68913688 T2 DE68913688 T2 DE 68913688T2 DE 68913688 T DE68913688 T DE 68913688T DE 68913688 T DE68913688 T DE 68913688T DE 68913688 T2 DE68913688 T2 DE 68913688T2
- Authority
- DE
- Germany
- Prior art keywords
- production
- leukotriene antagonists
- leukotriene
- antagonists
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
-
- 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
- C12P41/00—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
- C12P41/003—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
- C12P41/005—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of carboxylic acid groups in the enantiomers or the inverse reaction
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/288,216 US5070022A (en) | 1988-12-22 | 1988-12-22 | Enzymic process for preparing leukotriene antagonists |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68913688D1 DE68913688D1 (de) | 1994-04-14 |
| DE68913688T2 true DE68913688T2 (de) | 1994-09-22 |
Family
ID=23106235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68913688T Expired - Lifetime DE68913688T2 (de) | 1988-12-22 | 1989-12-20 | Verfahren zur Herstellung von Leukotrien-Antagonisten. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5070022A (de) |
| EP (1) | EP0375394B1 (de) |
| JP (1) | JPH02291290A (de) |
| CA (1) | CA2006197A1 (de) |
| DE (1) | DE68913688T2 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE59889B1 (en) * | 1986-02-14 | 1994-04-20 | Merck Frosst Canada Inc | 2-substituted quinoline dioic acids |
| JPS63245694A (ja) * | 1986-11-13 | 1988-10-12 | Showa Shell Sekiyu Kk | 光学活性含硫カルボン酸およびその対掌体エステルの製法 |
| EP0271287A3 (de) * | 1986-12-11 | 1990-06-13 | Merck Frosst Canada Inc. | Chinolindicarbonsäuren und ihre Amide |
-
1988
- 1988-12-22 US US07/288,216 patent/US5070022A/en not_active Expired - Fee Related
-
1989
- 1989-12-20 EP EP89313350A patent/EP0375394B1/de not_active Expired - Lifetime
- 1989-12-20 JP JP1328574A patent/JPH02291290A/ja active Pending
- 1989-12-20 DE DE68913688T patent/DE68913688T2/de not_active Expired - Lifetime
- 1989-12-20 CA CA002006197A patent/CA2006197A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02291290A (ja) | 1990-12-03 |
| CA2006197A1 (en) | 1990-06-22 |
| DE68913688D1 (de) | 1994-04-14 |
| EP0375394A3 (de) | 1991-10-23 |
| EP0375394A2 (de) | 1990-06-27 |
| US5070022A (en) | 1991-12-03 |
| EP0375394B1 (de) | 1994-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |