Synthesis of 17-(isocyanotosylmethylene) steroids: precursors to pregnane derivatives
The synthesis is described of a series of twenty 17-(isocyanotosylmethylene) steroids 5 from 17-oxo steroids and 4-tolylsulfonylmethyl isocyanide (TosMIC).Furthermore, nine analogous 17-(isocyanosulfonylmethylene) steroids (15-21a) have been prepared usin
Leusen, Daan van,Leusen, Albert M. van
p. 393 - 401
(2007/10/02)
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