DE3261580D1 - Process for preparing 4-haloazetidin-2-ones - Google Patents
Process for preparing 4-haloazetidin-2-onesInfo
- Publication number
- DE3261580D1 DE3261580D1 DE8282301166T DE3261580T DE3261580D1 DE 3261580 D1 DE3261580 D1 DE 3261580D1 DE 8282301166 T DE8282301166 T DE 8282301166T DE 3261580 T DE3261580 T DE 3261580T DE 3261580 D1 DE3261580 D1 DE 3261580D1
- Authority
- DE
- Germany
- Prior art keywords
- haloazetidin
- ones
- preparing
- 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
Links
Classifications
-
- 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
- C07D205/085—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 nitrogen atom directly attached in position 3
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Plural Heterocyclic Compounds (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/241,872 US4368156A (en) | 1981-03-09 | 1981-03-09 | Preparation of 4-haloazetidin-2-ones from 4-sulfinoazetidin-2-ones |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3261580D1 true DE3261580D1 (en) | 1985-01-31 |
Family
ID=22912505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282301166T Expired DE3261580D1 (en) | 1981-03-09 | 1982-03-08 | Process for preparing 4-haloazetidin-2-ones |
Country Status (4)
Country | Link |
---|---|
US (1) | US4368156A (de) |
EP (1) | EP0060120B1 (de) |
JP (1) | JPS57159759A (de) |
DE (1) | DE3261580D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099817B (en) * | 1981-04-10 | 1985-05-15 | Otsuka Kagaku Yakuhin | Azetidinone derivatives and process for the preparation of the same |
AU549269B2 (en) * | 1981-11-30 | 1986-01-23 | E.R. Squibb & Sons, Inc. | 3-acylamino-4-sulfonyl-2-azetidinones |
US4436596A (en) * | 1982-11-16 | 1984-03-13 | Eli Lilly And Company | N-Substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamido)-4-oxo-azetidines and process |
US4515719A (en) * | 1983-07-22 | 1985-05-07 | Eli Lilly And Company | Azetidinone sulfinic acids from cephalosporin sulfones |
US4992545A (en) * | 1989-09-20 | 1991-02-12 | Eli Lilly And Company | Process for preparing 4-substituted azetidinones |
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 |
SK13897A3 (en) | 1996-02-06 | 1998-05-06 | Pliva Pharm & Chem Works | 3-bromo- and 3,3-dibromo-4-oxo-1-azetidines, method for preparation thereof and their use |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3840556A (en) * | 1971-05-28 | 1974-10-08 | Lilly Co Eli | Penicillin conversion by halogen electrophiles and anti-bacterials derived thereby |
GB1510794A (en) * | 1974-08-06 | 1978-05-17 | Univ Kingston | 1-oxacephems and intermediates therefor |
CA1069126A (en) * | 1974-12-24 | 1980-01-01 | Eli Lilly And Company | Sulfinyl halides and their preparation from penicillin sulfoxides |
US4159266A (en) * | 1974-12-24 | 1979-06-26 | Eli Lilly And Company | Method of preparation of 3-methylenecephams |
CA1085392A (en) * | 1976-03-25 | 1980-09-09 | Masayuki Narisada | Arylmalonamido-1-oxadethiacephalosporins |
-
1981
- 1981-03-09 US US06/241,872 patent/US4368156A/en not_active Expired - Lifetime
-
1982
- 1982-03-08 EP EP82301166A patent/EP0060120B1/de not_active Expired
- 1982-03-08 DE DE8282301166T patent/DE3261580D1/de not_active Expired
- 1982-03-09 JP JP57037899A patent/JPS57159759A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0060120A1 (de) | 1982-09-15 |
US4368156A (en) | 1983-01-11 |
EP0060120B1 (de) | 1984-12-19 |
JPH0261453B2 (de) | 1990-12-20 |
JPS57159759A (en) | 1982-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |