Synthesis of 17-(2-Methoxy-3-oxazolin-4-yl)-, 17-(3-Oxazolin-4-yl)-, and 17-(2-Oxazolin-4-ylidene) Substituted Steroids and Their Use as Precursors of Corticosteroids
17-(Isocyanotosylmethylene)steroids 4 are useful intermediates in the conversion of 17-oxosteroids into 17-(hydroxyacetyl)steroids. The 21-CH2OH group is effectively introduced by a base-mediated reaction of compounds 4 with formaldehyde and MeOH to give 17-(2-methoxy-3-oxazolin-4-yl) derivatives 12...
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Published in | Journal of organic chemistry Vol. 59; no. 19; pp. 5650 - 5657 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
WASHINGTON
American Chemical Society
01.09.1994
Amer Chemical Soc |
Subjects | |
Online Access | Get full text |
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