BE841469A - Nouveaux composes 3-acyloxymethyl-cephem et leur procede de preparation - Google Patents
Nouveaux composes 3-acyloxymethyl-cephem et leur procede de preparationInfo
- Publication number
- BE841469A BE841469A BE166739A BE166739A BE841469A BE 841469 A BE841469 A BE 841469A BE 166739 A BE166739 A BE 166739A BE 166739 A BE166739 A BE 166739A BE 841469 A BE841469 A BE 841469A
- Authority
- BE
- Belgium
- Prior art keywords
- acyloxymethyl
- new
- preparation process
- cephem compounds
- cephem
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title 1
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
- C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic 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
- 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
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5502075A JPS5951555B2 (ja) | 1975-05-06 | 1975-05-06 | セフアロスポリン化合物の製造法 |
JP127576A JPS5283870A (en) | 1976-01-01 | 1976-01-01 | Cephalosprin compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
BE841469A true BE841469A (fr) | 1976-11-05 |
Family
ID=26334469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE166739A BE841469A (fr) | 1975-05-06 | 1976-05-05 | Nouveaux composes 3-acyloxymethyl-cephem et leur procede de preparation |
Country Status (12)
Country | Link |
---|---|
US (1) | US4224441A (fr) |
BE (1) | BE841469A (fr) |
CA (1) | CA1074296A (fr) |
CH (1) | CH627756A5 (fr) |
DE (1) | DE2619243C2 (fr) |
DK (1) | DK201676A (fr) |
ES (1) | ES447615A1 (fr) |
FR (1) | FR2310352A1 (fr) |
GB (1) | GB1535293A (fr) |
HU (1) | HU172550B (fr) |
NL (1) | NL7604869A (fr) |
SE (1) | SE435185B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4327093A (en) * | 1978-10-24 | 1982-04-27 | Fujisawa Pharmaceutical Co., Ltd. | 3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds |
US4584371A (en) * | 1984-03-01 | 1986-04-22 | The Upjohn Company | Catalytic process for preparing 3-ester-methyl cephalosporins from desacetyl-7-aminocephalosporanic acid |
KR100998208B1 (ko) | 2008-04-15 | 2010-12-03 | 주식회사 엔지켐 | 결정성 세포조프란 중간체의 제조방법 |
US8198434B2 (en) * | 2008-05-07 | 2012-06-12 | Idexx Laboratories, Inc. | Process for preparing cefsulodin sodium |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3920638A (en) * | 1968-08-20 | 1975-11-18 | Ciba Geigy Corp | Process for preparation of 7-amino-cephalosporanic acid compound |
GB1395184A (en) * | 1972-03-09 | 1975-05-21 | Alfa Farmaceutici Spa | Cephalosporin derivatives |
US3932392A (en) * | 1974-01-14 | 1976-01-13 | Bristol-Myers Company | Process for the preparation of 7-aminocephalosporanic acids |
US4166178A (en) * | 1975-05-06 | 1979-08-28 | Takeda Chemical Industries, Ltd. | 3-acyloxymethyl-cephem compounds |
-
1976
- 1976-04-30 DE DE2619243A patent/DE2619243C2/de not_active Expired
- 1976-05-03 CA CA251,663A patent/CA1074296A/fr not_active Expired
- 1976-05-04 HU HU76TA00001399A patent/HU172550B/hu unknown
- 1976-05-04 FR FR7613290A patent/FR2310352A1/fr active Granted
- 1976-05-05 GB GB18370/76A patent/GB1535293A/en not_active Expired
- 1976-05-05 SE SE7605131A patent/SE435185B/xx unknown
- 1976-05-05 ES ES447615A patent/ES447615A1/es not_active Expired
- 1976-05-05 BE BE166739A patent/BE841469A/fr not_active IP Right Cessation
- 1976-05-05 DK DK201676A patent/DK201676A/da not_active Application Discontinuation
- 1976-05-06 NL NL7604869A patent/NL7604869A/xx not_active Application Discontinuation
- 1976-05-06 CH CH570576A patent/CH627756A5/de not_active IP Right Cessation
-
1979
- 1979-04-23 US US06/032,692 patent/US4224441A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7604869A (nl) | 1976-11-09 |
GB1535293A (en) | 1978-12-13 |
CA1074296A (fr) | 1980-03-25 |
FR2310352B1 (fr) | 1979-05-18 |
FR2310352A1 (fr) | 1976-12-03 |
DE2619243C2 (de) | 1985-07-04 |
HU172550B (hu) | 1978-09-28 |
SE7605131L (sv) | 1976-11-07 |
DK201676A (da) | 1976-11-07 |
CH627756A5 (en) | 1982-01-29 |
ES447615A1 (es) | 1977-10-01 |
US4224441A (en) | 1980-09-23 |
DE2619243A1 (de) | 1976-11-18 |
SE435185B (sv) | 1984-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TAKEDA CHEMICAL INDUSTRIES LTD Effective date: 19860531 |