13C nuclear magnetic resonance of organophosphorus compounds: dihedral dependence of the 2 J PCC spin coupling in four-membered cyclic phosphines
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 7,p. 367
- https://doi.org/10.1039/c39720000367
Abstract
The α-methyl 2JPCC in 2,2,3,4,4-pentamethylphosphetans is stereospecific with respect to the exocyclic phosphorus substituent; the coupling is large (27–37 Hz) when trans and small (0–5 Hz) when cis to the exocyclic phosphorus substituent.Keywords
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