Substituent effects in the 13C NMR spect
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Peter E. Hammann; Elke Wöbbecke; Hans-Otto Hoppen
📂
Article
📅
1990
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John Wiley and Sons
🌐
English
⚖ 247 KB
## Abstract The ^13^C 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 Δ^15^ double bond are evaluated and discussed.