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Conformational analysis of some ortho-hydroxyazoic dyes by the PCILO method

โœ Scribed by Patrice Jacques; Annick Goursot; Jean Faure


Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
598 KB
Volume
26
Category
Article
ISSN
0301-0104

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Conformational Analysis of cyclotrisilaz
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## Abstract ^1^H NMR spectra of substituted cyclotrisilazanes are discussed in terms of conformational analysis. Experimental spectra are consistent with an equilibrium involving chair conformers, following from simulating the effect of phenyl substituents and the temperature dependence of methyl p

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The conformational behaviour and the charge distribution of methylphosphorylcholine has been analyzed within the framework of the PCILO method including phosphorus-oxygen o-and 7r-bonds. In the global minimum of energy the -O-P-O-C-C chain has a (-synclinal, -synclinal, -syn/anticlinal, +anticlinal)