Facile synthesis of 17-formyl steroids via palladium-catalyzed homogeneous carbonylation reaction.
作者信息
Petz Andrea, Horváth Judit, Tuba Zoltán, Pintér Zoltán, Kollár László
机构信息
Department of Inorganic Chemistry, University of Pécs, Ifjúság u. 6, P.O. Box 266, H-7624 Pécs, Hungary.
出版信息
Steroids. 2002 Aug;67(9):777-81. doi: 10.1016/s0039-128x(02)00035-1.
17-formyl-androst-16-ene and its analogues were synthesized from the corresponding 17-iodo-16-ene derivatives in palladium-catalyzed formylation reaction using tributyltin hydride as hydrogen source under mild reaction conditions. The formation of androst-16-ene and its isomerization products, as well as that of analogous steroidal olefins as side-products, was found to be dependent on the reaction conditions. The formylation reaction tolerates various functional groups on the A and B rings of the steroids.
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