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Title: Stereochemical studies of some t-3-methyl-r-2,c-6-diphenylpiperidin-4-one azine derivatives
Authors: Manimekalai, A
Jayabharathi, J
Rufina, Lancy
Mahendhiran, R
Issue Date: Sep-2003
Publisher: NISCAIR-CSIR, India
Abstract: 1H and 13C NMR spectra are recorded for six t-3-methyl-r-2,c-6-diphenylpiperidin-4-one azine derivatives 8-13 in CDCl3 and analysed. The proton spectra reveal the presence of two isomers in solution for the azines 12,13 and 8 and one isomer for 9-11.In all azines the N-N single bond is found to be anti with respect to methyl group at C-3 in the piperidone ring and the two C=N bonds are trans with respect to N-N single bond (s-trans form). In the azines 9-11 the azomethine proton is found to be syn with respect to N-N bond. The other azines 12,13 and 8 exist as a pair of diastereoisomers in solution.
Page(s): 2074-2079
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.42B(09) [September 2003]

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