A Z/E-selective and enantioselective conjugateaddition of oxindoles to butyl but-2-ynedioate derivatives has been developed, providing a facile access to enantioenriched multifunctional olefins, which can be further converted into 3,3a- dihydro-2H-pyrrolo[3,4-c]quinoline-1,4(5H,9bH)-dione derivatives via conventional operations.
已开发了羟吲哚向丁二炔基丁酸酯衍生物的Z / E选择性和对映选择性共轭加成反应,可轻松获得对映体富集的多官能烯烃,该烯烃可进一步转化为3,3a-二氢-2 H-吡咯并[通过常规操作的3,4- c ]喹啉-1,4(5 H,9b H)-二酮衍生物。