121567-78-0Relevant articles and documents
ELECTROPHILIC TRANS QUATERNIZATION OF SUBSTITUTED 2-PYRIDINES TO 4a, 10-a-cis-4,4a-trans-1,2,3,4,4a,10a-HEXAHYDROBENZOTHIAZOLO(SELENAZOLO)-PYRIDINIUM SALTS
Shestopalov, A. M.,Nesterov, V. N.,Sharanin, Yu. A.,Litvinov, V. P.,Mortikov, V. Yu.,et al.
, p. 1248 - 1256 (2007/10/02)
It was established that the electrophilic quaternization of substituted 2-pyridines is a stereoselective process and proceeds as trans quaternization with the formation of 4a,10a-cis-4,4a-trans-1,2,3,4,4a,10a-hexahydrobenzot