HRID2049945
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
Barton et al, J.A.C.S. 95:8, 2748 (1973) describe reduction of 1α,2α-epoxycholesta-4,6-dien-3-one with large excesses of each of lithium metal and ammonium chloride in ammonia/tetrahydrofuran at reflux to obtain 1α,3β-dihydroxycholest-5-ene which is a precursor of 1α-hydroxyvitamin D3.
WORKUP
后处理
- temperatureat reflux