Solid/liquid phase-transfer catalyzed alkylation of 2-mercaptoquinazolin-4(3H)-one at 25°C by different organohalogen compounds in the presence of tetrabutylammonium bromide as a catalyst underwent, exclusively, S-monoalkylation or S- and N-, di-, or cycloalkylation, depending on the nature of alkylating agents.
在
四丁基溴化铵作为催化剂存在下,不同有机卤素化合物在 25°C 下固/液相转移催化的 2-巯基
喹唑啉-4(3H)-one 烷基化,仅经历了 S-单烷基化或 S-和 N-,二烷基化或环烷基化,取决于烷基化剂的性质。