New routes to 1-functionally substituted arylbenzotriazoles: 3-Benzotriazol-1-yl-pyridazine-4-ones, 5-benzotriazol-1-yl-pyridazine-6-ones and 5-benzotriazol-1-yl-pyridazine-6-imines
作者:Fatima Al-Omran、Nouria Al-Awadl、Osama Yousef、Mohamed Hilmy Elnagdi
DOI:10.1002/jhet.5570370127
日期:2000.1
Condensation of 1-arylhydrazono-1-benzotriazol-1-yl 2-propanones (5a-c) with DMF DMA afforded 1-aryl-3-benzotriazol-1-yl-1,4-dihydropyridazine-4-ones (8a-c). While condensation of 1-functionally substituted methylbenzotriazoles 3b,c with 2-arylhydrazono-3-oxoarylpropanal 13a,b give 3-aroyl-5-(benzo-triazolyl-1-yl)-1,6-dihydro-1-phenylpyridazine-6-ones and 6-imines 14a-d.
1-芳基肼基-1-苯并三唑-1-基2-丙烷(5a-c)与DMF DMA缩合得到1-芳基-3-苯并三唑-1-基-1,4-二氢哒嗪-4-酮(8a-c)。当1-官能取代的甲基苯并三唑3b,c与2-芳基肼基-3-氧代芳基丙醛13a,b缩合时,得到3-芳酰基-5-(苯并三唑基-1-基)-1,6-二氢-1-苯基哒嗪-6。 -one和6-imines 14a-d。