3,4,5-三甲氧基苄氯 、 1-(2-乙基苯基)哌嗪 、 potassium carbonate 以6.5 g of N-(3,4,5-trimethoxy-benzyl)-N'-(2-ethylphenyl)-piperazine dihydrochloride is obtained的产率得到Piperazine, 1-(2-ethylphenyl)-4-((3,4,5-trimethoxyphenyl)methyl)-, dihydrochloride
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名称:
Piperazine derivatives as circulation-enhancing substances
Piperazine derivatives as circulation-enhancing substances
申请人:Merz & Company
公开号:US04370329A1
公开(公告)日:1983-01-25
Novel N-(trimethoxybenzyl)-piperazines of the formula: ##STR1## wherein R is trifluoromethyl, hydroxy, nitro, halogen, lower-alkyl, or lower-alkoxy; R' is hydrogen, trifluoromethyl, halogen, lower-alkyl, or lower-alkoxy; R" is hydrogen or lower-alkoxy, or wherein R and either R' or R" together stand for lower-alkylene dioxy, and acid addition salts thereof, a method of preparing same, pharmaceutical compositions thereof, and a method of enhancing circulation, especially cerebrovascular circulation, therewith, are disclosed.
Novel N-(trimethoxybenzyl)-piperazines of the formula: ##STR1## wherein A= ##STR2## wherein R is trifluoromethyl, hydroxy, nitro, halogen, lower-alkyl, or lower-alkoxy; R' is hydrogen, trifluoromethyl, halogen, lower-alkyl, or lower-alkoxy; R" is hydrogen or lower-alkoxy, or wherein R and either R' or R" together stand for lower-alkylene dioxy, and acid addition salts thereof, a method of preparing same, pharmaceutical compositions thereof, and a method of enhancing circulation, especially cerebrovascular circulation, therewith, are disclosed.