Preparation of highly hindered steroid esters: application of some newer methods of esterification.
The scope and limitation of some recent acylation methods were investigated as applied to the preparation of steroidal esters of highly hindered acids. As representative steroids, 19-nor-17 alpha-ethinyl testosterone (19-NET) and testosterone, and as representative acid, pivalic (trimethylacetic) acid were used.
D055598:Chemical Phenomena; D002621:Chemistry; D007202:Indicators and Reagents; D008722:Methods; D009640:Norethindrone / Q000031:analogs & derivatives*; D013739:Testosterone / Q000031:analogs & derivatives
D007202:Indicators and Reagents; C023640:testosterone pivalate; D013739:Testosterone; C023641:norethindrone pivalate; D009640:Norethindrone