第 42 卷第 3 期 |  | Vol. 42 No. 3 | 2012 年 6 月 | Jun 2012 |
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所屬欄目:醫藥及中間體
馬來(lái)酸桂哌齊特合成工藝的優(yōu)化 |
王化冰,孫 建,韓 靜*,趙長(cháng)東,姜鵬飛
(沈陽(yáng)藥科大學(xué) 制藥工程學(xué)院,遼寧 沈陽(yáng) 110016) |
摘 要:以四氫吡咯為原料,與氯乙酰氯反應生成N-(2-氯乙;┧臍溥量;以(E)-3,4,5-三甲氧基肉桂酸為原料,與1,1-羰基二咪唑反應生成活性酯后再與N-叔丁氧羰基哌嗪反應,生成物經(jīng)過(guò)脫保護得到關(guān)鍵中間體1-(3,4,5-三甲氧基肉桂;┻哙蝴}酸鹽;再經(jīng)烴化反應制備桂哌奇特游離堿,與馬來(lái)酸成鹽得到目標化合物。產(chǎn)品結構經(jīng)1H NMR確認,總收率為46%。該合成工藝簡(jiǎn)便、合理、可行,適合工業(yè)化生產(chǎn)。 |
關(guān)鍵詞:合成;馬來(lái)酸桂哌齊特;工藝改進(jìn) |
中圖分類(lèi)號:R972 文獻標識碼:A 文章編號:1009-9212(2012)03-0044-03 |
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Optimization on the Synthesis Process of Cinepazide Maleate |
WANG Hua-bing,SUN Jian,HAN Jing*,ZHAO Chang-dong,JIANG Peng-fei
(School of Pharmaceutical Engineering,Shenyang Pharmaceutical University,Shenyang 110016) |
Abstract:N-(2-Chloroacetyl)pyrrolidine (5) was synthesized from pyrrolidine by its reaction with chloroacetyl chloride.(E)-3,4,5-Trimethoxycinnamic acid was reacted with 1,1'-carbonyldiimidazole to provide an ester followed by reaction with N-tert-butyloxycarbonylpiperazine and then deprotection to give the key intermediate 1-(3,4,5-trimethoxycinnamoyl)piperazine hydrochloride(3). Cinepazide was obtained by reaction of 3 and 5 and further transformed into cinepazide maleate(1). The structure of 1 was confirmed by 1H NMR. |
Key words:synthesis;cinepazide maleate;process improvement |
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作者簡(jiǎn)介:王化冰(1988-),男,山東泰安人,碩士研究生,主要從事藥物合成研究。(E-mail:wanghuabing217@163.com)
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聯(lián) 系 人:韓 靜,教授,碩士生導師,主要從事藥物制劑與藥物合成的研究。(E-mail:hj-8080@163.com)
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收稿日期:2012-05-23
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