GB1503640A - Process for the manufacture of 3-substitutedhydrody-crotonic and isocrotonic acid derivatives - Google Patents
Process for the manufacture of 3-substitutedhydrody-crotonic and isocrotonic acid derivativesInfo
- Publication number
- GB1503640A GB1503640A GB27584/77A GB2758477A GB1503640A GB 1503640 A GB1503640 A GB 1503640A GB 27584/77 A GB27584/77 A GB 27584/77A GB 2758477 A GB2758477 A GB 2758477A GB 1503640 A GB1503640 A GB 1503640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substitutedhydrody
- crotonic
- manufacture
- acid derivatives
- protecting group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C313/00—Sulfinic acids; Sulfenic acids; Halides, esters or anhydrides thereof; Amides of sulfinic or sulfenic acids, i.e. compounds having singly-bound oxygen atoms of sulfinic or sulfenic groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C313/02—Sulfinic acids; Derivatives thereof
- C07C313/04—Sulfinic acids; Esters thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
- C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
-
- 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)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
1503640 2-Oxo-azetidine derivatives CIBA GEIGY AG 24 Feb 1975 [26 Feb 1974 5 June 1974 12 Aug 1974] 27584/77 Divided out of 1503581 Heading C2C Novel compounds II (R 1 <SP>A</SP> is a protecting group; R 1 <SP>b</SP> is H or acyl; or R 1 <SP>A</SP> and R 1 <SP>b</SP> together form a protecting group; -COR 2 <SP>A</SP> is protected carboxyl; R 3 <SP>0</SP> is alkyl or a protecting group and Y is a leaving group, e.g. optionally substituted benzenesulphonyl or heterocyclylthio) and salts thereof are prepared by conventional etherification or protection of a compound VI followed, where necessary, by conventional modification of the group Y.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH269374A CH601310A5 (en) | 1974-02-26 | 1974-02-26 | 7-Amino-3-hydroxy-2(or 3)-cephem-4-carboxylic acid derivs prepn |
CH776674A CH610584A5 (en) | 1974-02-26 | 1974-06-05 | Process for the preparation of 2-(3-amino-2-oxo-4-sulphonylthio-1- azetidinyl)-3-methylenebutyric acid derivatives |
CH1100074 | 1974-08-12 | ||
GB7625/75A GB1503581A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 7-beta-amino-cephem-3-ol-4-carboxylic acid compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1503640A true GB1503640A (en) | 1978-03-15 |
Family
ID=27428477
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27584/77A Expired GB1503640A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 3-substitutedhydrody-crotonic and isocrotonic acid derivatives |
GB27583/77A Expired GB1503639A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 3-hydroxy-crotonic acid derivatives |
GB27582/77A Expired GB1503638A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 3-methylenebutyric acid derivatives |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27583/77A Expired GB1503639A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 3-hydroxy-crotonic acid derivatives |
GB27582/77A Expired GB1503638A (en) | 1974-02-26 | 1975-02-24 | Process for the manufacture of 3-methylenebutyric acid derivatives |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB1503640A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0068466A1 (en) * | 1981-06-29 | 1983-01-05 | E.R. Squibb & Sons, Inc. | 4-Aryl or heteroaryl thio-2-oxo-1-azetidinesulfonic acid salts and process for their preparation |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099817B (en) * | 1981-04-10 | 1985-05-15 | Otsuka Kagaku Yakuhin | Azetidinone derivatives and process for the preparation of the same |
JPS60115562A (en) * | 1983-11-28 | 1985-06-22 | Otsuka Chem Co Ltd | Production of azetidinone derivative |
JPS60126263A (en) * | 1983-12-12 | 1985-07-05 | Otsuka Chem Co Ltd | Production of azetidinone derivative |
JPS60237061A (en) * | 1984-05-08 | 1985-11-25 | Otsuka Chem Co Ltd | Preparation of azetidinone derivative |
GB2152497B (en) * | 1983-11-28 | 1987-08-05 | Otsuka Kagaku Kk | Process for the preparation of azetidinone derivatives |
-
1975
- 1975-02-24 GB GB27584/77A patent/GB1503640A/en not_active Expired
- 1975-02-24 GB GB27583/77A patent/GB1503639A/en not_active Expired
- 1975-02-24 GB GB27582/77A patent/GB1503638A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0068466A1 (en) * | 1981-06-29 | 1983-01-05 | E.R. Squibb & Sons, Inc. | 4-Aryl or heteroaryl thio-2-oxo-1-azetidinesulfonic acid salts and process for their preparation |
Also Published As
Publication number | Publication date |
---|---|
GB1503638A (en) | 1978-03-15 |
GB1503639A (en) | 1978-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |