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Conformational analysis of 2-oxo(thio)-1,3,2-dioxaphosphorinanes with a P-H bond from vibrational spectroscopic data

✍ Scribed by I. Kh. Shakirov; A. R. Safiullin; R. R. Shagidullin; A. M. Polozov; O. N. Nuretdinova


Book ID
112487968
Publisher
Springer
Year
1992
Tongue
English
Weight
531 KB
Volume
41
Category
Article
ISSN
1573-9171

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Results of IR and 1 H, 13 C, and 31 P NMR studies of the anancomeric title compounds (2-5) and compound 1 (Scheme 1) are analyzed to search for the existence of high-energy boat or twist-boat conformations in the equatorial epimers. While the difference in frequencies (Dm) P‫ב‬O between the axial an