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Title:
NOVEL HETEROCYCLIC ACETIC ACID DERIVATIVE
Document Type and Number:
Japanese Patent JPS58118564
Kind Code:
A
Abstract:
New compounds of the general formula (I), wherein Y<1> and Y<2> form together a removable carbonyl protecting group and X is a selectively removable esterifying group, are prepared in the way that a compound of the general formula (IV), wherein Y<1> and Y<2> are as defined above, is nitrated and then reduced, the resulting new compound of the general formula (III), wherein Y<1> and Y<2> are as defined above and A stands for nitro group and then for amino group, is converted into a new ester of the general formula (II), wherein Y<1>, Y<2> and X are as defined above, in a manner known per se, and the aminophenyl protecting group of the resulting compound is split off. The new compounds of the general formula (I) can be applied primarily as intermediates in the synthesis of thienamycin or thienamycin analogues.

Inventors:
KARORII REMUPERUTO
GABOORU DORESUSHIYARU
YOZUSEFU FUETSUTAA
GIYURA HORUNYATSUKU
YOZUSEFU NIITSUTORAI
GIYURA SHIMITSUGU
KARORII ZAUERU
CHIBOORU GIZURU
KARUMAN HARUSANI
GIYORUGII FUEKETE
RASUZURO SUZUPORUNII
GIYORUGII HAYOSU
Application Number:
JP23485282A
Publication Date:
July 14, 1983
Filing Date:
December 27, 1982
Export Citation:
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Assignee:
RICHTER GEDEON VEGYESZET
International Classes:
C07D205/08; C07D207/277; C07D405/04; C07D477/00; C07D207/26; (IPC1-7): C07D205/08; C07D487/04
Domestic Patent References:
JPS57167964A1982-10-16
Attorney, Agent or Firm:
Asamura Akira