HU168823B - - Google Patents
Info
- Publication number
- HU168823B HU168823B HUME1803A HUME001803A HU168823B HU 168823 B HU168823 B HU 168823B HU ME1803 A HUME1803 A HU ME1803A HU ME001803 A HUME001803 A HU ME001803A HU 168823 B HU168823 B HU 168823B
- Authority
- HU
- Hungary
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
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
-
- 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
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
- C07D501/06—Acylation of 7-aminocephalosporanic acid
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- 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)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42041873A | 1973-11-30 | 1973-11-30 | |
US50747374A | 1974-09-23 | 1974-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
HU168823B true HU168823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-28 |
Family
ID=27024839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HUME1803A HU168823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-11-30 | 1974-11-29 |
Country Status (18)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56158790A (en) * | 1980-05-14 | 1981-12-07 | Sankyo Co Ltd | Preparation of cephalosporin derivative |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2127225A1 (de) * | 1970-06-12 | 1971-12-16 | Yamanouchi Pharmaceutical Co Ltd , Tokio | Neues Verfahren zur Herstellung von Cephalexin |
US3843639A (en) * | 1973-02-08 | 1974-10-22 | Bristol Myers Co | Production of cephalexin via methoxymethyl ester |
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1974
- 1974-11-13 SE SE7414249A patent/SE432934B/xx not_active IP Right Cessation
- 1974-11-13 DK DK589474A patent/DK153154C/da not_active IP Right Cessation
- 1974-11-13 NL NLAANVRAGE7414820,A patent/NL187023C/xx not_active IP Right Cessation
- 1974-11-14 NO NO744088A patent/NO147839C/no unknown
- 1974-11-14 FI FI3301/74A patent/FI60210C/fi active
- 1974-11-18 IE IE2366/74A patent/IE40122B1/xx unknown
- 1974-11-21 YU YU3104/74A patent/YU36736B/xx unknown
- 1974-11-25 GB GB50969/74A patent/GB1480757A/en not_active Expired
- 1974-11-25 CA CA214,541A patent/CA1041481A/en not_active Expired
- 1974-11-26 ES ES432305A patent/ES432305A1/es not_active Expired
- 1974-11-27 AR AR256686A patent/AR211234A1/es active
- 1974-11-27 DD DD182615A patent/DD115125A5/xx unknown
- 1974-11-28 FR FR7439044A patent/FR2253022B1/fr not_active Expired
- 1974-11-28 CH CH1580874A patent/CH618443A5/de not_active IP Right Cessation
- 1974-11-28 IT IT54286/74A patent/IT1043920B/it active
- 1974-11-29 HU HUME1803A patent/HU168823B/hu unknown
- 1974-11-29 DE DE2456528A patent/DE2456528C2/de not_active Expired
- 1974-11-30 JP JP49136660A patent/JPS6020393B2/ja not_active Expired
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HU90 | Patent valid on 900628 |