Novel Reaction of N, N'-Bisarylmethanediamines with Formaldehyde. Synthesis of Some New 1, 3, 5-Triaryl-1, 3, 5-hexahydrotriazines
M Ghandi, F Salimi, A Olyaei
Index: Ghandi, Mehdi; Salimi, Farshid; Olyaei, Abolfazl Molecules, 2006 , vol. 11, # 7 p. 556 - 563
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Citation Number: 7
Abstract
Abstract: The acid-catalyzed cyclocondensation of N, N'-bisaryl (aryl= 2-pyrimidinyl, 2- pyrazinyl and 4-nitrophenyl) methanediamines 5a-c with aqueous formaldehyde in refluxing acetonitrile leads to the formation of the corresponding 1, 3, 5-triaryl-1, 3, 5-hexa- hydrotriazines 6a-c. The stoichiometric reactions of 2-aminopyrimidine and 2-amino- pyrazine with aqueous formaldehyde in acetonitrile under reflux conditions also afforded ...
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