2-(2-AMINOTHIAZOLYL)-2-(1-CARBOXY-1-VINYLOXYIMINO)ACETIC ACID AND ITS PRODUCTION
PURPOSE:To obtain a new compound useful as a side chain at 7-position of a cephalosporin derivative. CONSTITUTION:A compound of formula I (R is H or an amino-protecting group; R and R are each H or a carboxyl-protecting group) or its salt, e.g. 2-(1-tert-butoxycarbonyl-1-vinyloxyimino)-2-(2-tritylam...
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| creator | AZEYANAGI SATORU ASAI HIKARI TANAKA YOSHIHARU OTAKE KENICHI USHIJIMA RYOSUKE MITOMO TAKASHI ISHIKAWA MORIAKI NAKAGAWA SUSUMU NAKANO FUMIO YAMADA KOJI |
| description | PURPOSE:To obtain a new compound useful as a side chain at 7-position of a cephalosporin derivative. CONSTITUTION:A compound of formula I (R is H or an amino-protecting group; R and R are each H or a carboxyl-protecting group) or its salt, e.g. 2-(1-tert-butoxycarbonyl-1-vinyloxyimino)-2-(2-tritylaminothiazol-4-yl )acetic acid (syn isomer). This compound can be synthesized by reacting a compound of formula II (R is H or an amino-protecting group; R is H or a carboxyl- protecting group) such as 2-(2-tritylaminothiazol-4-yl)glyoxylic acid with an 0-(1-carboxy-1-vinyl)hydroxylamine derivative of formula III and subsequently eliminating the protecting group as necessary. |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | 2-(2-AMINOTHIAZOLYL)-2-(1-CARBOXY-1-VINYLOXYIMINO)ACETIC ACID AND ITS PRODUCTION |
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