The present invention relates to a method for regioselectively reducing the maleimide compounds of formula (I). The invention also relates to C7 hydroxy lactam regioisomers of formula (II) obtainable by this method and their use for the preparation of lactams of formula (Ill) which are particularly useful as intermediate for the synthesis of fused pyrrolocarbazoles.
本发明涉及一种选择性区域还原式降低式(I)男
酰亚胺化合物的方法。本发明还涉及通过该方法获得的式(II)的C7羟基内酰胺异构体及其用于制备式(III)内酰胺的应用,该内酰胺用于合成融合的
吡咯烷
喹啉。