IN173329B - - Google Patents
Info
- Publication number
- IN173329B IN173329B IN1019DE1989A IN173329B IN 173329 B IN173329 B IN 173329B IN 1019DE1989 A IN1019DE1989 A IN 1019DE1989A IN 173329 B IN173329 B IN 173329B
- Authority
- IN
- India
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
- C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1019DE1989 IN173329B (es) | 1989-11-06 | 1989-11-06 | |
| US07/490,151 US5070195A (en) | 1989-11-06 | 1990-03-07 | Ring-opening process for preparation of 2-chlorosulfinyl azetidinones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1019DE1989 IN173329B (es) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN173329B true IN173329B (es) | 1994-04-02 |
Family
ID=11092013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1019DE1989 IN173329B (es) | 1989-11-06 | 1989-11-06 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5070195A (es) |
| IN (1) | IN173329B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5347000A (en) * | 1992-11-05 | 1994-09-13 | Ranbaxy Laboratories Ltd. | Process for the preparation of 2-chlorosulfinylazetidinone |
| US5604222A (en) | 1993-12-27 | 1997-02-18 | Lupin Laboratories, Ltd. | Method for the preparation of 2-chloro sulfinyl azetidinones |
| US5578721A (en) | 1994-07-11 | 1996-11-26 | Lupin Laboratories Limited | Process for preparation of 3-exomethylene cepham sulfoxide esters |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2265798C2 (de) * | 1971-06-24 | 1985-09-26 | Fujisawa Pharmaceutical Co., Ltd., Osaka | Verfahren zur Herstellung von Oxoazetidin-Derivaten |
| GB1451459A (en) * | 1972-10-20 | 1976-10-06 | Fujisawa Pharamceutical Co Ltd | Process for preparing 3-alkyl-3-cephem-4-carboxylic acids and intermediates thereof |
| US4289695A (en) * | 1978-11-13 | 1981-09-15 | Eli Lilly And Company | Process for preparing 2-chlorosulfinylazetidinones |
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1989
- 1989-11-06 IN IN1019DE1989 patent/IN173329B/en unknown
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1990
- 1990-03-07 US US07/490,151 patent/US5070195A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5070195A (en) | 1991-12-03 |