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Application filed by Edmond Pharma SrlfiledCriticalEdmond Pharma Srl
Publication of KR850004101ApublicationCriticalpatent/KR850004101A/en
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Publication of KR880000090B1publicationCriticalpatent/KR880000090B1/en
N-Cinnamoyl-anthranilic acids (I) were prepd. by reacting substd. cinnamic acid with o-isocyanatebenzoic ester. Thus, 21.8g 3,4- dimethoxycinnamic acid was reacted with 17.7g 2carbomethoxyphenylisocyanate to give 30.7g N-(3,4-dimethoxycinnamo yl)anthranilic methyl ester which was treated with KOH to give 28.8g N-(3,4-dimethoxy cinnamoyl) anthranilic acid (98% yield).
KR8406856A1983-11-031984-11-02Process for the preparation of n-cinnamoyl-anthranilic acids
KR880000090B1
(en)