(+)-Collinusin, a natural lignan lactone, has been synthesized by using the asymmetric hydrogenation of a α-veratrylidenesuccinic acid half ester with a (S, S)-MOD-DIOP-rhodium(I) complex catalyst as a key reaction, and the absolute configuration of the C-3 has been determined to be R__-.
(+)-科林素,一种天然
木质素内酯,已通过使用(S, S)-MOD-D
IOP-
铑(I)复合催化剂对α-韦拉
曲酸半酯进行不对称氢化反应合成,且C-3的绝对构型已确定为R__-。