METHOD FOR PREPARING SUBSTITUTED [1,4]DIAZEPINO[6,7,1-HI]INDOL-4-ONES

摘要

Method for the preparation of enantiomerically pure diazepino-indolone of formulawhich comprises the intramolecular cyclization of a product of formulawhere A, B, X<1>, X<2>, Z, Z<1>, Z<2 >and R are as defined in the description, in the presence of a weak Lewis acid catalyst.