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Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to KR7500094ApriorityCriticalpatent/KR790000522B1/en
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Publication of KR790000522B1publicationCriticalpatent/KR790000522B1/en
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Abstract
The homologous polymer or copolymer of parasym. substituted 1,4-dioxan-2,5-dione was manufd. 3, 6-substituted-1,4-dioxan-2,5-dione(I) was manufd. by cyclization of acyloxy acid trialkylamine which was produced by addition of trialkylamine to acyloxy acid synthesized by reaction of substituted acetic acid and &-hydroxycarboxylic acid. I was degradable and excretable in the living tissues.
KR7500094A1975-01-211975-01-21Method of manufacturing unsymmetrically substituted 1,4-dioxane-2,5-diones
KR790000522B1
(en)
PROCESSES FOR THE PREPARATION OF BETA-LACTAM DERIVATIVES, THE NEW DERIVATIVES SO OBTAINED, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THESE DERIVATIVES.