Conformational mobility of the 1,3,2-dioxaphosphorinan ring system
β Scribed by R.S. Edmundson
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- French
- Weight
- 176 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
In contrast to the numerous studies available concerning the conformation and the I conformational mobility of the 2-oxo-2R-1,3,2-dioxaphosphorinanes , relatively little attention 2 3 has been devoted to the corresponding 2-thiono derivatives . From an I.R. study , it was shown that for the 2-methy
## Abstract The 220 MHz proton NMR spectra of three isomeric pairs of 2βRβ2βoxoβ4βmethylβ1,3,2βdioxaphosphorinanes, where R = methoxy (1a, b), methyl (2a, b) and dimethylamino (3a, b) (a represents the __trans__ and b the __cis__ arrangement of R and the 4βmethyl group) were analyzed by iterative c
A great deal of effort has been expended in the past decade in nmr studies of the conformation of six-membered rings (l), but six-membered-ring phosphorus heterocycles have received little attention. RMR studies of 5,'j-disubstituted-l,J,2\_dioxaphosphorinanes, Id and II (2,3), and the synthesis of