Antiallergic cinnamoyl-anthranilic acid ester(s) - prepd. by reacting cinnamic acid with o-isocyanato benzoic acid ester and hydrolysing prod.

申请公布号:
ES8600632(A1)
申请号:
ES19350005373
申请日期:
1984.11.02
申请公布日期:
1986.01.16
申请人:
EDMOND PHARMA, SRL.
分类号:
C07C231/06;C07C;(IPC1-7):C07C103/84
主分类号:
C07C231/06
摘要:
<p>The esters of formula (I), in which R1 R2 and R3 are H, Cl, F or Br, are made by reacting a cinnamic acid of formula (II) with an ester of o-isocyanato benzoic acid, in organic solvent at 75-130 deg. C, and subsequently hydrolysing the prod..</p>
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