Quantitive dependence of N-methyl inversion barriers in six-membered rings on electronic and steric effects. Direct observation of the conformational equilibria in tetrahydro-1,3-oxazines and hexahydropyrimidines
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 7,p. 255-256
- https://doi.org/10.1039/c39750000255
Abstract
Low-temperature 1H n.m.r. spectra of N-methyl and N,C-polymethyl derivatives of tetrahydro-1,3-oxazine and hexahydropyrimidine allow calculation of conformational equilibria and the rationalisation of steric and electronic effects on N-methyl inversion barriers.Keywords
This publication has 0 references indexed in Scilit: