337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看
第 45 卷第 1 期Vol. 45 No. 1
2015 年 2 月Feb 2015

所屬欄目:醫藥及中間體

N-Boc-1,2,3,5-四氫螺[苯并[c]吖庚因-4,2-哌啶]的合成
王倩玉,匡少平 (青島科技大學(xué) 化學(xué)與分子工程學(xué)院, 山東 青島 266042)
摘 要:以N-Boc-哌啶-2-甲酸甲酯和2-溴甲基-芐腈為原料,經(jīng)親核取代、氰基還原、關(guān)環(huán)、羰基還原4步反應合成N-Boc-1,2,3,5-四氫螺[苯并[c]吖庚因-4,2-哌啶]。此化合物未見(jiàn)文獻報道,產(chǎn)物結構經(jīng)核磁共振氫譜、核磁共振碳譜及高分辨質(zhì)譜確證,總收率為48.0%。
關(guān)鍵詞:芐腈;氰基還原;哌啶
中圖分類(lèi)號:TQ246.7  文獻標識碼:A  文章編號:1009-9212(2015)01-0063-02
Synthesis of N-Boc-1,2,3,5-tetrahydrospiro[benzo[c]azepine-4,2-piperi dine]
WANG Qian-yu, KUANG Shao-ping (College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)
Abstract:N-Boc-1,2,3,5-tetrahydro spiro[benzo[c]azepine-4,2-piperidine] was synthetized using1-Boc-piperidine-2-carboxylic acid metyl ester and 2-bromomethyl - benzonitrile as the raw materials followed by nucleophilic substitution reaction, cyano-reduction reaction, and cyclization reaction. The chemical structure of this novel compound was characterized using 1H NMR, 13C NMR and High Resolution Mass Spectrometry, and a yield of 48% was obtained.
Key words:benzonitrile; cyano reduction; piperidine
作者簡(jiǎn)介:王倩玉(1989-),女,山東煙臺人,碩士,研究方向:藥物中間體合成(E-mail:wangqianyu1008@163.com)。
收稿日期:2014-10-22
337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看