摘要 |
A novel process for the preparation of 7-acylindolin-2-ones of the formula: <IMAGE> wherein R is hydrogen, halogen, lower alkyl, lower alkoxy, or trifluoromethyl; R1 is lower alkyl, alkylphenyl, cycloalkyl, or aryl; and R2 is hydrogen, lower alkyl or benzyl is provided. The compounds are useful as intermediates in the preparation of 2-amino-3-acylphenylacetic acid compounds which possess pharmaceutical properties. |