75276-66-3Relevant articles and documents
Restricted Rotation about the Carbon-Nitrogen Single Bond of 1-Aryl-4,6-dimethylpyridinium-2(1H)-ones and the Corresponding Thiones
Kashima, Choji,Katoh, Akira
, p. 1599 - 1602 (2007/10/02)
By recrystallizing the salts (3) and (4) with D-camphor-10-sulphonic acid, the rotational isomers due to restricted rotation about the carbon-nitrogen single bond in ortho-substituted-1-aryl-4,6-dimethylpyrimidin-2(1H)-ones (1) and the corresponding thion