HRID2059163

反应详情

EQUATION

反应方程式

REACTANTS

反应物

HCID10024

Diethoxymethane

C5H12O2

结构：CC(=O)OCC(=O)[C@@]1(OC(C)=O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C

HCID102165

17,21-Bis(acetyloxy)pregn-4-ene-3,20-dione

C25H34O6

PRODUCTS

生成物

结构：C=C1C[C@@H]2[C@H](CC[C@@]3(C)[C@H]2CC[C@]3(OC(C)=O)C(=O)COC(C)=O)[C@@]2(C)CCC(=O)C=C12

HCID12951771

未命名化合物

PROCEDURE

实验过程

1.0 g of 17,21-diacetoxy-4-pregnene-3,20-dione is reacted analogously to Example 9 with formaldehyde diethylacetal, and worked up, thus obtaining 790 mg of 17,21-diacetoxy-6-methylene-4-pregnene-3,20-dione, mp 227°-228° C.