Author's Organization：Pharmaceutical Institute, Tohoku University Pharmaceutical Institute, Tohoku University Pharmaceutical Institute, Tohoku University Pharmaceutical Institute, Tohoku University
In order to obtain the more precise knowledge on the nature of the dimethyl-tert-butylsilyloxy linkage, several steroid silyl ethers were prepared. The rate of acid-catalyzed hydrolysis was determined with the typical steroid derivatives. Convenient syntheses of 3β-hydroxy-4-androsten-17-one have also been described.
