Steroid total synthesis. 11.(+)-Estr-4-ene-3, 17-dione from a chiral lactone

M Rosenberger, R Borer, G Saucy

Index: Rosenberger; Borer; Saucy Journal of Organic Chemistry, 1978 , vol. 43, # 8 p. 1550 - 1555

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Citation Number: 11

Abstract

The three-bond couplings are usually ositive in sign while most two-bond couplings of this type are negati~ e,!~,~'although we have not experimentally verified this in the present study. DF Ewing," Annual Reports on NMR Spectroscopy", Vol. 6A, EF Mooney, Ed., Academic