Hetaryl-1,5 Benzodiazepines-Part I: Synthesis of 3-pyrimidinyl- and Imidazolyl-1,5-benzodiazepines
作者:Ahmed Khodairy、Eman A. Ahmed、Hossam Abdel Ghany
DOI:10.1002/jhet.2573
日期:2017.1
Nucleophilic substitution of 3‐bromo‐4‐phenyl‐1H‐[1,5]benzodiazepin‐2‐one (1) with thiourea or guanidine in presence of potassium carbonate afforded 1,5‐benzodiazepin‐3‐ylimidothiocarbamate 2 or 1,5‐benzodiazepin‐3‐ylguanidine 3, respectively. Pyrimidylthiobenzodiazepines 5, 6, 7, 8, 9, 10, 11, 12, 13 were obtained via the reaction of compound 2 with malononitrile dimer, diethyl malonate, methylenemalononitriles
在碳酸钾存在下,用硫脲或胍对3-溴-4-苯基-1 H- [1,5]苯并二氮杂-2--1 (1)进行亲核取代,得到1,5-苯并二氮杂-3-嘧啶硫代氨基甲酸酯2或1, 5-苯并二氮杂-3-基胍3。Pyrimidylthiobenzodiazepines 5,6,7,8,9,10,11,12,13经由化合物的反应制得2丙二酸二铵催化的丙二腈二聚体,丙二酸二乙酯,亚甲基丙二腈或醛与β-酮酸酯或乙酰丙酮的混合物。化合物的反应2或3与α卤代酯,腈,和/或酮,得到咪唑14,15,16,17,18,19,20分别。