1.METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.
方法以无水哌嗪为起始原料,经酰、还原、胺、成盐等反应制得盐酸特拉唑嗪。
2.The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether.