A New Strategy for Synthesis of Novel 1, 4-Phenylene Bridged Bis-Hetero - Cyclic Compounds
作者:Hamdi M. Hassaneen、Ahmad S. Shawali、Lamiaa M. El Agaty
DOI:10.2174/1570178613666160824104435
日期:2016.10.25
Reactions of bis-hydrazonoyl chloride 1 with each of KSCN and KSeCN
yielded the corresponding bis-thiadiazoline 2A and bis-selenadiazoline 2B. Bispyrazole
derivatives 7a-e and 8a-b were also obtained by reactions of 1 with the appropriate
active methylene compounds. Reactions of 1 with each of 1, 2-
dicyanoethylene, acenaphthylene and phenyl-5-arylidene-2-thioxo-thiazol-4-one as
dipolarophiles led to the formation of the corresponding cycloadducts 9, 12 and 14,
respectively. Also, reaction of bis-hydrazonoyl chloride 1 with triazinethione 16a-e
afforded 1,4-Bis-(1,2,4-triazolotriazin)benzene 17a-e. The structures of the compounds
prepared were established on the basis of elemental and spectral analyses as
well as their chemical reactions.
二氢腙基氯1与KSCN和KSeCN分别反应,生成了相应的双硫二氮杂环2A和双硒二氮杂环2B。通过1与适当的活性亚甲基化合物的反应,还得到了双吡唑衍生物7a-e和8a-b。1与二氰基乙烯、苊烯和苯基-5-芳亚甲基-2-硫酮-噻唑-4-酮作为双极亲偶体的反应分别导致了相应的环加成产物9、12和14的形成。此外,二氢腙基氯1与三嗪硫酮16a-e反应生成了1,4-双-(1,2,4-三唑三嗪)苯17a-e。所制备化合物的结构是根据元素和光谱分析以及它们的化学反应来确定的。