A stereoselective synthesis of crinosterol, (22E,24S)-ergosta-5,22-dien- 3β-ol, was developed from (20S)-6β-acetoxy-3α,5-cyclo-5α- pregnane-20-carbaldehyde using the Claisen rearrangement of an appropriate precursor of established absolute configuration.
Stereoselective synthesis of crinosterol [(22E,24S)-ergosta-5,22-dien- 3β-ol] / M. Anastasia, P. Allevi, P. Ciuffreda, A. Fiecchi. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - (1983), pp. 2365-2367.
Stereoselective synthesis of crinosterol [(22E,24S)-ergosta-5,22-dien- 3β-ol]
M. AnastasiaPrimo
;P. AlleviSecondo
;P. CiuffredaPenultimo
;
1983
Abstract
A stereoselective synthesis of crinosterol, (22E,24S)-ergosta-5,22-dien- 3β-ol, was developed from (20S)-6β-acetoxy-3α,5-cyclo-5α- pregnane-20-carbaldehyde using the Claisen rearrangement of an appropriate precursor of established absolute configuration.
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