New approaches to Corynanthe alkaloids involving the conjugate addition of dialkyl malonates to unsaturated thiolactams:Synthesis of (±)-3-epi-dihydrocorynantheol
作者:Domingo Gomez-Pardo、Didier Desmaële、Jean d'Angelo
DOI:10.1016/s0040-4039(00)61004-3
日期:1992.10
Addition of dimethyl malonate to thiolactam 8 led to a mixture of Michael adducts 9 and 10 (6:1, respectively). Copound 9 has been converted in 4 steps into (±)-3-epi-dihydrocorynantheol 16.
将丙二酸二甲酯加到硫代内酰胺8中得到迈克尔加合物9和10(分别为6∶1)的混合物。化合物9已分4步转化为(±)-3-表-二氢七氢萘酚16。