Russian Chemical Bulletin p. 1185 - 1187 (1997)
Update date:2022-08-11
Topics:
Levina
Kamernitskii
6-Methylene-16α,17α-cyclohexanopregn-4-ene-3,20-dione 2 has been synthesized by the reaction of Δ4-3-ketone 1 with CH2(OEt)2 and POCl3 in the presence of AcONa in 55% yield. Reduction of the product 2 in the presence of 5% Pd/C gives 6α-methyl-16α,17α-cyclohexanoprogesterone 3 in a yield exceeding 70%.
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