
%0 Journal Article
%A Galbraith, M 
%A Horn, DS 
%A Middleton, E 
%T Insect Moulting Hormones: The Synthesis of Possible Ecdysone Precursors for Metabolic Studies
%J Australian Journal of Chemistry
%D 1974/05/01
%V 27
%N 5
%P 1087-1095
%K 
%R https://doi.org/10.1071/CH9741087
%U https://www.publish.csiro.au/paper/CH9741087 
%X The possible biological precursors of ecdysones, 3&#946;-hydroxy-5&#946;-cholest-7-en-6-one (2) and 3&#946;,14&#945;-dihydroxy-5&#946;-cholest-7-en-6-one (3), are prepared from 7-dehydrocholesterol through their 5&#945;-epimers.The corresponding 3&#945;-[3H] derivatives of high specific activity are prepared in a similar way via 5&#945;-cholest-7-ene-3&#946;,6&#945;-diol[3&#945;-3H] 6-acetate which is obtained by reducing the corresponding 3-keto derivative with sodium borotritide. 
