Detailed Study of Oxidative Esterification and Elimination Reactions Undergone by a Steroidal 17α-Benzoyloxy- 20-oxo-21-aldehyde
作者:Marvin L. Lewbart、Roland S. Annan、Byron H. Arison、James P. Springer、Scott R. Gould
DOI:10.1002/jps.2600790502
日期:1990.5
The reaction of 17 alpha-benzoyloxy-11 beta-hydroxy-3,20-dioxo-1, 4-pregnadien-21-al as the hemiacetal (1) with methanol:acetic acid:potassium cyanide:manganese dioxide followed by acetylation and preparative HPLC of the reaction mixture afforded 11 crystalline products. These products can be conveniently divided into three categories representing side-chain cleavage and oxidativeesterification with