Steroidal analogues of unnatural configuration—X : Synthesis of 9-methyl-19-nor-9β,10α-progesterone
✍ Scribed by J.R. Bull; J. Floor; A. Tuinman
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- French
- Weight
- 552 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4020
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## Abstract In Part II of this series we report 292 substituent increments for the ^1^H‐NMR. chemical shifts (solvent: CDCl~3~) of the 18‐ and 19‐methyl protons of 9α,10β(normal)‐steroids relative to 5α,9α,10β,‐androstane. The increments were calculated by a least‐squares procedure from 988 spectra
## Abstract This paper reports 261 substituent increments for the ^1^HNMR. chemical shifts (solvent: CDCl~3~) of the 18‐ and 19‐methyl protons of 9β, 10α(__retro__)‐steroids relative to 5β,9β,10α,‐androstane. The increments were calculated by a least‐squares procedure from 1334 spectra of 759 diff