Synthesis of Some New Pyridine and Pyrimidine Derivatives Containing Benzothiazole Moiety
作者:Khaled S. Mohamed、Nayra M. Abdulaziz、Ahmed A. Fadda
DOI:10.1002/jhet.1672
日期:2013.5
A variety of pyridine and pyrimidine rings incorporating benzothiazole moiety were synthesized by reaction of 1‐(2‐benzothiazolyl)‐1‐cyano‐3‐chloroacetone (1) with 2‐pyridone, 2‐thioxopyridine, thiouracil, and 2‐thioxopyrimidine derivatives to give compounds 7,9‐dimethylfuro[2,3‐b:4,5‐b′]dipyridin‐4‐ol 5, 4, 6‐diphenylthieno[2,3‐b]pyridin‐2‐yl 9, 2‐(benzo[d]thiazol‐2‐yl)‐2‐(7‐substituted‐5‐oxo‐5H‐thiazolo[3
通过将1-(2-苯并噻唑基)-1-氰基-3-氯丙酮(1)与2-吡啶酮,2-噻吩并吡啶,硫氧嘧啶和2-噻吩并嘧啶衍生物反应生成多种掺入苯并噻唑部分的吡啶和嘧啶环产生化合物7,9-二甲基呋喃并[2,3- b:4,5- b ']二吡啶-4-醇5,4,6-diphenylthieno [2,3- b ]吡啶-2-基9,2-(苯并[ d ]噻唑-2-基)-2-(7-取代-5-氧代-5 H-噻唑并[3,2 - a ]嘧啶-3-基)乙腈12a和12b,嘧啶基[2,1- b ] [1,3]噻氮平-3-羧酰胺15,和苯并[4,5]噻唑洛[3,2 – b ]哒嗪-3-1 20。