Journal of the Chemical Society. Perkin transactions I p. 2859 - 2866 (1991)
Update date:2022-07-30
Topics:
Bull, James R.
Bischofberger, Karl
Diels-Adler reaction of 3-methoxy-16-methylestra-1,3,5(10),14,16-pentaen-17-yl acetate 3 with phenyl vinyl sulphone affords three 14,17-cycloadducts; the two major products (ca. 37percent each) are the regioisomers derived from endo addition on the β-face
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