Tetrahedron p. 1731 - 1744 (1994)
Update date:2022-08-11
Topics:
Lichtfouse, Eric
Albrecht, Pierre
C21-29 triaromatic steroid hydrocarbons bearing a methyl group at unusual positions 2, 3 or 6 have been synthesized from pregnenolone, cholesterol or stigmasterol via stera-3,5-dienes.Their occurence in various sedimentary rocks and petroleums suggests the presence of yet unknown biological precursors.
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