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6β-Methyl-3,20-dioxopregn-4-en-17-yl acetate
Longran Chen1, Xuefen Liu, Peng Yang
1Qianjiang Colloge, Hangzhou Normal University, Hangzhou 310012, People's Republic of China.
Abstract:
The title compound, C(24)H(34)O(4), is a precursor of Megestrol acetate. Ring A has a half-chair conformation [Q = 0.446 (3) Å, θ = 54.6 (4)° and ϕ = 9.5 (4)°]. Ring D adopts a 13β-envelope conformation [Q = 0.463 (2) Å and ϕ = 188.2 (3)°].
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