BG21861A3 - - Google Patents
Info
- Publication number
- BG21861A3 BG21861A3 BG25085A BG2508573A BG21861A3 BG 21861 A3 BG21861 A3 BG 21861A3 BG 25085 A BG25085 A BG 25085A BG 2508573 A BG2508573 A BG 2508573A BG 21861 A3 BG21861 A3 BG 21861A3
- Authority
- BG
- Bulgaria
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
-
- 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
-
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US310191A US3917587A (en) | 1972-11-28 | 1972-11-28 | Cephalosporin ethers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG21861A3 true BG21861A3 (US20050192411A1-20050901-C00001.png) | 1976-09-20 |
Family
ID=23201377
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG25086A BG21414A3 (US20050192411A1-20050901-C00001.png) | 1972-11-28 | 1973-11-27 | |
| BG25085A BG21861A3 (US20050192411A1-20050901-C00001.png) | 1972-11-28 | 1973-11-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG25086A BG21414A3 (US20050192411A1-20050901-C00001.png) | 1972-11-28 | 1973-11-27 |
Country Status (27)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR206201A1 (es) * | 1972-06-29 | 1976-07-07 | Ciba Geigy Ag | Procedimiento para la obtencion de compuestos de acido 7beta-amino-3-cefem-3-01-4-carboxilico0-substituidos |
| SE428022B (sv) * | 1972-06-29 | 1983-05-30 | Ciba Geigy Ag | 7beta-amino-cefam-3-on-4-karboxylsyraforeningar till anvendning for framstellning av cefalosporinderivat |
| US4060688A (en) * | 1972-11-28 | 1977-11-29 | Eli Lilly And Company | Cephalosporin intermediates |
| US4053469A (en) * | 1973-02-28 | 1977-10-11 | Shionogi & Co., Ltd. | Intermediates for the preparation of 7-acylamino-3-oxyiminomethyl-3-cephem-4-carboxylic acids |
| CH605997A5 (US20050192411A1-20050901-C00001.png) * | 1974-08-30 | 1978-10-13 | Ciba Geigy Ag | |
| GB1485488A (en) * | 1974-10-03 | 1977-09-14 | Farmaceutici Italia | Preparation of cephalosporins |
| US3985746A (en) * | 1975-03-25 | 1976-10-12 | E. R. Squibb & Sons, Inc. | 7-(α-Cyanomethylthio)acetamido-3-cephem carboxylates |
| CH622802A5 (US20050192411A1-20050901-C00001.png) * | 1975-08-20 | 1981-04-30 | Ciba Geigy Ag | |
| US4031084A (en) * | 1975-10-23 | 1977-06-21 | Eli Lilly And Company | Process for cephalosporin antibiotic intermediates |
| US5350845A (en) * | 1992-04-08 | 1994-09-27 | Eli Lilly And Company | Process for preparing 7-substituted-amino-3-hydroxy-3-cephem-4-protected carboxy-sulfoxide esters |
| IN181695B (US20050192411A1-20050901-C00001.png) * | 1992-08-10 | 1998-09-05 | Ranbaxy Lab Ltd | |
| 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 |
| IN184516B (US20050192411A1-20050901-C00001.png) * | 1996-01-19 | 2000-09-02 | Lupin Laoratories Ltd | |
| CN112321611B (zh) * | 2020-10-29 | 2022-05-06 | 湖北凌晟药业有限公司 | 一种头孢沙定母核的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1241656A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
| GB1277415A (en) * | 1968-06-14 | 1972-06-14 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin derivatives |
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1972
- 1972-11-28 US US310191A patent/US3917587A/en not_active Expired - Lifetime
-
1973
- 1973-01-01 AR AR251174A patent/AR204984A1/es active
- 1973-11-20 IL IL43661A patent/IL43661A/xx unknown
- 1973-11-21 MW MW64/73*UA patent/MW6473A1/xx unknown
- 1973-11-21 IE IE2111/73A patent/IE39476B1/xx unknown
- 1973-11-22 PH PH15253A patent/PH14698A/en unknown
- 1973-11-23 FR FR7341763A patent/FR2207697B1/fr not_active Expired
- 1973-11-24 OA OA55067A patent/OA04512A/xx unknown
- 1973-11-24 OA OA55066A patent/OA04511A/xx unknown
- 1973-11-26 AR AR251175A patent/AR221315A1/es active
- 1973-11-26 BE BE1005527A patent/BE807780A/xx not_active IP Right Cessation
- 1973-11-26 CS CS7300008117A patent/CS183722B2/cs unknown
- 1973-11-26 ZA ZA00738993A patent/ZA738993B/xx unknown
- 1973-11-26 CH CH1658073A patent/CH588495A5/xx not_active IP Right Cessation
- 1973-11-26 CH CH1658173A patent/CH599222A5/xx not_active IP Right Cessation
- 1973-11-26 AR AR251176A patent/AR217389A1/es active
- 1973-11-26 NL NL7316178A patent/NL7316178A/xx not_active Application Discontinuation
- 1973-11-26 ES ES420870A patent/ES420870A1/es not_active Expired
- 1973-11-26 ES ES420868A patent/ES420868A1/es not_active Expired
- 1973-11-26 CS CS7300008118A patent/CS183723B2/cs unknown
- 1973-11-26 NL NL7316177A patent/NL7316177A/xx not_active Application Discontinuation
- 1973-11-27 GB GB5488973A patent/GB1456221A/en not_active Expired
- 1973-11-27 BR BR9298/73A patent/BR7309298D0/pt unknown
- 1973-11-27 RO RO7300076795A patent/RO63081A/ro unknown
- 1973-11-27 RO RO7300076796A patent/RO63112A/ro unknown
- 1973-11-27 SU SU731972079A patent/SU1149879A3/ru active
- 1973-11-27 HU HUEI507A patent/HU166396B/hu unknown
- 1973-11-27 HU HUEI506A patent/HU166847B/hu unknown
- 1973-11-27 RO RO7300085128A patent/RO63739A2/ro unknown
- 1973-11-27 BG BG25086A patent/BG21414A3/xx unknown
- 1973-11-27 BR BR9297/73A patent/BR7309297D0/pt unknown
- 1973-11-27 AT AT993473A patent/ATA993473A/de unknown
- 1973-11-27 AT AT993573A patent/ATA993573A/de not_active Application Discontinuation
- 1973-11-27 BG BG25085A patent/BG21861A3/xx unknown
- 1973-11-28 JP JP48134807A patent/JPS4982693A/ja active Pending
- 1973-11-28 DE DE2359353A patent/DE2359353A1/de not_active Withdrawn
- 1973-11-28 DD DD174947A patent/DD110663A5/xx unknown
- 1973-11-28 PL PL1973166884A patent/PL94245B1/pl unknown
- 1973-11-28 YU YU03105/73A patent/YU36527B/xx unknown
- 1973-11-28 YU YU03104/73A patent/YU36526B/xx unknown
- 1973-11-28 EG EG450/73A patent/EG11175A/xx active
- 1973-11-28 PL PL1973166883A patent/PL94828B1/pl unknown
- 1973-11-28 EG EG449/73A patent/EG11046A/xx active
- 1973-11-28 JP JP48134808A patent/JPS49133394A/ja active Pending
- 1973-11-28 DD DD174946A patent/DD110280A5/xx unknown
