Substituent effects in the13C NMR spectra of 17α-ethinyl-19-nortestosterone derivatives (original) (raw)

Substituent effects in the13C NMR spectra of 17α-ethinyl-19-nortestosterone derivatives

Magnetic Resonance in Chemistry, 1990

Abstract

The 13C NMR spectra of eight norethisterone derivatives are presented. Substituent chemical shifts for the methyl group at C‐18, the methylene group at C‐11 and the Δ15 double bond are evaluated and discussed.

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