CS198233B2 - Method of preparing 3-bromomethyl cephems - Google Patents
Method of preparing 3-bromomethyl cephems Download PDFInfo
- Publication number
- CS198233B2 CS198233B2 CS771899A CS189977A CS198233B2 CS 198233 B2 CS198233 B2 CS 198233B2 CS 771899 A CS771899 A CS 771899A CS 189977 A CS189977 A CS 189977A CS 198233 B2 CS198233 B2 CS 198233B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- carboxylate
- reaction mixture
- halogen
- process according
- bromomethyl
- 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
- C07D501/57—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with a further substituent in position 7, e.g. cephamycines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/669,366 US4048160A (en) | 1976-03-22 | 1976-03-22 | Process for preparation of 7-alkoxy-3-bromomethylcephems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS198233B2 true CS198233B2 (en) | 1980-05-30 |
Family
ID=24686087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS771899A CS198233B2 (en) | 1976-03-22 | 1977-03-22 | Method of preparing 3-bromomethyl cephems |
Country Status (30)
| Country | Link |
|---|---|
| US (1) | US4048160A (sv) |
| JP (1) | JPS52113995A (sv) |
| AR (1) | AR225589A1 (sv) |
| AT (1) | AT352274B (sv) |
| AU (1) | AU505100B2 (sv) |
| BE (1) | BE852669A (sv) |
| BG (1) | BG27756A3 (sv) |
| CA (1) | CA1108121A (sv) |
| CH (1) | CH632514A5 (sv) |
| CS (1) | CS198233B2 (sv) |
| DD (1) | DD129914A5 (sv) |
| DE (1) | DE2711955C2 (sv) |
| DK (1) | DK148097B (sv) |
| ES (1) | ES457058A1 (sv) |
| FR (1) | FR2345455A1 (sv) |
| GB (1) | GB1573933A (sv) |
| GR (1) | GR66421B (sv) |
| HU (1) | HU174436B (sv) |
| IE (1) | IE44695B1 (sv) |
| IL (1) | IL51431A (sv) |
| NL (1) | NL7703062A (sv) |
| NZ (1) | NZ183308A (sv) |
| PH (1) | PH12745A (sv) |
| PL (1) | PL108100B1 (sv) |
| PT (1) | PT66316B (sv) |
| RO (1) | RO70257A (sv) |
| SE (1) | SE428926B (sv) |
| SU (1) | SU845787A3 (sv) |
| YU (1) | YU68377A (sv) |
| ZA (1) | ZA77712B (sv) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1241657A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
| US3637678A (en) * | 1969-01-13 | 1972-01-25 | Lilly Co Eli | Delta-2 cephalosporin compounds |
| US3705897A (en) * | 1970-07-07 | 1972-12-12 | Lilly Co Eli | Method for converting delta**2 cephalosporin to delta**3 cephalosporin |
| BE794554A (fr) * | 1972-01-31 | 1973-07-26 | Lilly Co Eli | Nouveaux derives de penicilline et de cephalusporine |
| US3883518A (en) * | 1972-05-15 | 1975-05-13 | Merck & Co Inc | 3-Methylene cephalosporins |
| US3897424A (en) * | 1973-07-23 | 1975-07-29 | Lilly Co Eli | Process for 7-{62 -amino-7-{60 -methoxy-cephalosporanic acid esters and related compounds |
-
1976
- 1976-03-22 US US05/669,366 patent/US4048160A/en not_active Expired - Lifetime
-
1977
- 1977-02-08 IE IE262/77A patent/IE44695B1/en unknown
- 1977-02-08 ZA ZA00770712A patent/ZA77712B/xx unknown
- 1977-02-09 GR GR52754A patent/GR66421B/el unknown
- 1977-02-09 CA CA271,404A patent/CA1108121A/en not_active Expired
- 1977-02-10 NZ NZ183308A patent/NZ183308A/xx unknown
- 1977-02-11 IL IL51431A patent/IL51431A/xx unknown
- 1977-02-11 AU AU22198/77A patent/AU505100B2/en not_active Expired
- 1977-03-10 SE SE7702735A patent/SE428926B/sv not_active IP Right Cessation
- 1977-03-16 GB GB11149/77A patent/GB1573933A/en not_active Expired
- 1977-03-16 YU YU00683/77A patent/YU68377A/xx unknown
- 1977-03-17 PT PT66316A patent/PT66316B/pt unknown
- 1977-03-17 AR AR266894A patent/AR225589A1/es active
- 1977-03-18 PH PH19571A patent/PH12745A/en unknown
- 1977-03-18 DE DE2711955A patent/DE2711955C2/de not_active Expired
- 1977-03-18 BE BE1008027A patent/BE852669A/xx not_active IP Right Cessation
- 1977-03-18 JP JP3098577A patent/JPS52113995A/ja active Granted
- 1977-03-21 HU HU77EI733A patent/HU174436B/hu unknown
- 1977-03-21 DK DK123077AA patent/DK148097B/da unknown
- 1977-03-21 RO RO7789739A patent/RO70257A/ro unknown
- 1977-03-21 ES ES457058A patent/ES457058A1/es not_active Expired
- 1977-03-21 SU SU772462784A patent/SU845787A3/ru active
- 1977-03-21 AT AT194577A patent/AT352274B/de active
- 1977-03-21 NL NL7703062A patent/NL7703062A/xx not_active Application Discontinuation
- 1977-03-22 BG BG7735758A patent/BG27756A3/xx unknown
- 1977-03-22 DD DD7700197990A patent/DD129914A5/xx unknown
- 1977-03-22 CS CS771899A patent/CS198233B2/cs unknown
- 1977-03-22 CH CH359477A patent/CH632514A5/de not_active IP Right Cessation
- 1977-03-22 FR FR7708524A patent/FR2345455A1/fr active Granted
- 1977-03-22 PL PL1977196821A patent/PL108100B1/pl unknown
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