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1-Methyl-2(3,4)-(1-vinylpyrrol-2-yl)pyridinium iodides: some structural features revealed by 1H and 13C NMR spectroscopy

โœ Scribed by A. V. Afonin; S. Yu. Kuznetsova; I. A. Ushakov; O. V. Petrova; V. K. Voronov; A. I. Mikhaleva

Book ID
110300388
Publisher
Springer
Year
2001
Tongue
English
Weight
232 KB
Volume
50
Category
Article
ISSN
1573-9171

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## Abstract Some 2โ€arylsulphonylamidoโ€2โ€thionoโ€5โ€methylโ€1,3,2โ€dioxaphospholanes (1), containing two chiral centres, give NMR spectra in which splittings of the ^1^H and ^13^C signals of the 5โ€methyl substituent and of the ^31^P signal indicate that they exist in an approximately 70:30% ratio of two