Browsing by Subject "steroids- exercises"
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Approches to the synthesis of steroidal &-Methylene Lactones
(1982-08)A brief review of the biological properties and the synthesis of a-methylene-y- and 6-lactones is presented. Estrone 69_ was converted to estrololactone-methyl ether 71 which was a~foimylated with ethyl formate, ...