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Configurations and conformations of cis- and trans-N-methyl- and -N-benzyl-4,5- and -5,6-tetramethylenetetrahydro-1,3-oxazines

✍ Scribed by P. Sohár; F. Fülöp; G. Bernáth

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
384 KB
Volume
22
Category
Article
ISSN
0749-1581

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✦ Synopsis

The con6gurations and conformations of cis-and tram-N-methyl-and -N-benzyl-4,5-and -5,6tetramethylenetetrahydm-l,3-o~es were determined by 'H and -C NMR spectroscopy. The cis isomers are conformationally homogeneous, having the hetero atom attached to the cydohexyl ring, in the axial and equatorial positions, respectively, in the 5,6and 45-tetramethylene compounds, similar to the case of the 2-p-nitrophenyl-substituted analogues investigated previously.

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