Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 864 - 867 (1991)
Update date:2022-07-29
Topics:
Tkhaper, R. K.
Reshetova, I. G.
Kamernitskii, A. V.
Litvinovskaya, R. P.
The stereoselective synthesis of a δ-lactone, (22R)-3β-acetoxy-22-hydroxylanosta-8,24(31)-dien-32-oic (X), which is the first lanostane analog of the sex hormone of Achlya aqueous fungi, was carried out by means of 1,3-dipolar addition of nitrile oxides to lanostane olefin (I) through (22R)-isoxazoline (III) as a key intermediate.
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