METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.
方法以无水哌为起始
,
酰化、还
、胺化、成盐等反应制得盐酸特拉唑
。
METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.
方法以无水哌为起始
,
酰化、还
、胺化、成盐等反应制得盐酸特拉唑
。
Based on 3,6-dichloropyridazine, imidazo〔1,2-b〕pyridazine was synthesized via amination, cyclization and dechlorination.
以3,6-二氯为
,
氨化、环合、脱氯得咪唑
〔1,2-b〕
。
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