The rotational barrier in 2-chloro-4-dimethylamino-1,3,5-triazanaphthalene
Abstract
N.m.r. studies indicate a barrier to the rotation of the dimethylamino-group in 2-chloro-4-dimethylamino-1,3,5-triazanaphthalene (III); no such barrier could be observed in the analogous 2-chloro-4-dimethylamino-quinazoline (IV).
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