Author/Authors :
Peng، نويسنده , , Lizeng and Liu، نويسنده , , Huawei and Zhang، نويسنده , , Tao and Zhang، نويسنده , , Fengzhi and Mei، نويسنده , , Tiansheng and Li، نويسنده , , Yi and Li، نويسنده , , Yulin، نويسنده ,
Abstract :
A stereoselective synthesis of brassinolide, which involves construction of the side chain by a highly stereoselective aldol reaction between 20S-6β-methoxy-3α,5-cyclo-5α-pregnane-20-carboxaldehyde 2 and ketone 3 or 4 catalyzed by l-proline, is described.
