Regioselectivity of Intramolecular Electrophilic Cyclization of 2-(Alkenylsulfanyl)thieno[2,3-d]pyrimidin-4(3H)-ones with p-Methoxyphenyltellurium Trichloride
作者:M. M. Kut、M. Yu. Onysko、S. Yu. Suikov、V. G. Lendel
DOI:10.1134/s1070428020100061
日期:2020.10
Abstract 3-Phenyl-2-(prop-2-en-1-ylsulfanyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one reacted with 4-methoxyphenyltellurium trichloride in a regioselective manner to give angularly fused 1-[dichloro(4-methoxyphenyl)-λ4-tellanyl]methyl}-4-oxo-5-phenyl-1,2,4,5,6,7,8,9-octahydrobenzo[4,5]thieno[3,2-e][1,3]thiazolo[3,2-a]pyrimidinium chloride. Electrophilic cyclization of 2-(prop-2-en-1-ylsulfanyl)-
摘要 3-苯基-2-(丙-2-烯-1-基硫烷基)-5,6,7,8-四氢苯并[4,5]噻吩并[2,3 - d ]嘧啶-4(3 H)-反应了与三氯化以区域选择性的方式4 methoxyphenyltellurium,得到稠合的角度1 - [二氯(4-甲氧基苯基)-λ 4 -tellanyl]甲基} -4-氧代-5-苯基- 1,2,4,5,6, 7,8,9-八氢苯并[4,5]噻吩并[3,2- e ] [1,3]噻唑并[3,2- a ]氯化嘧啶鎓。2-(prop-2-en-1-ylsulfanyl)-和2-(2-methylprop-2-en-1-ylsulfanyl)-5,6,7,8-tetrahydrobenzo [4,5] thieno [的亲电环化[ 2,3- d ]嘧啶-4(3 H ^) -酮与4- methoxyphenyltellurium三氯化,得到线性稠合3 - [二氯(4-甲氧基苯基)-λ