A new sterol,ergosta-8(9),22-diene-3,5,6,7-tetraol(3β,5α,6β,7α,22E)(A)together with three known sterols:3β,5α,6β-......

以麦角甾醇为原料,KMnO4为氧化剂,一步法氧化反应得到活性四羟基麦角甾醇ergosta-8(9),22-diene-3,5,6,7-tetrol(3β,5α,6α,7α,......