Asymmetric synthesis of the spiroacetal fragment of milbemycin E
作者:Girish Khandekar、Gareth C. Robinson、Nicholas A. Stacey、Patrick G. Steel、Eric J. Thomas、Sunil Vather
DOI:10.1039/c39870000877
日期:——
Spiro-acetals (17) and (21) have been synthesized from methyl α-D-glucopyranoside (11), via the 6-chloro-4,6-dideoxygalactopyranoside (10), the epoxy-dithiane (8), and the open-chain dithianes (16) and (20).