HRID21920
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
PROCEDURE
实验过程
A solution of (1S,5R,6R,7R)-6-(3,3-ethylenedioxyoctyl)-7-hydroxy-2-oxabicyclo[3.3.0]octan-3-one (6a) (4.70 g) in dichloromethane (200 ml) was cooled on ice and dihydropyran (2.41 g) and p-toluenesulfonic acid (0.23 g) were added thereto and the resultant mixture was stirred for 1,5 hours. The crude product obtained by treating in the conventional manner was subjected to silica gel column chromatography to give the title compound (59).
WORKUP
后处理
- additionwere added
- customThe crude product obtained
- additionby treating in the conventional manner