BE809502A - METHOD FOR PREPARING METHYLENIC COMPOUNDS - Google Patents
METHOD FOR PREPARING METHYLENIC COMPOUNDSInfo
- Publication number
- BE809502A BE809502A BE139609A BE139609A BE809502A BE 809502 A BE809502 A BE 809502A BE 139609 A BE139609 A BE 139609A BE 139609 A BE139609 A BE 139609A BE 809502 A BE809502 A BE 809502A
- Authority
- BE
- Belgium
- Prior art keywords
- preparing
- methylenic compounds
- methylenic
- compounds
- preparing methylenic
- Prior art date
Links
Classifications
-
- 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
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH22473A CH579090A5 (en) | 1973-01-09 | 1973-01-09 | 7-Amino-3-methylene-cephams prepn. - by reducing 7-amino-3-acyloxymethyl-3-cephems, used as inters for antibiotic cephalosporins |
Publications (1)
Publication Number | Publication Date |
---|---|
BE809502A true BE809502A (en) | 1974-07-08 |
Family
ID=4182108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE139609A BE809502A (en) | 1973-01-09 | 1974-01-08 | METHOD FOR PREPARING METHYLENIC COMPOUNDS |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE809502A (en) |
CH (1) | CH579090A5 (en) |
-
1973
- 1973-01-09 CH CH22473A patent/CH579090A5/en not_active IP Right Cessation
-
1974
- 1974-01-08 BE BE139609A patent/BE809502A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH579090A5 (en) | 1976-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CIBA-GEIGY A.G. Effective date: 19850108 |