第 48 卷第 6 期Vol. 48 No. 6
2018 年 12 月Dec 2018

所属栏目:医药及中间体

特力利汀关键中间体(2S)-4-氧代-2-(3-噻唑烷基羰基)-1-吡咯烷羧酸叔丁酯的合成研究
崔哲凯,卓广澜 (浙江理工大学 理学院,浙江 杭州 310018)
摘 要:以4-羟基-L-脯氨酸和半胱胺盐酸盐为起始原料,经过氨基的保护、氧化、缩合3步反应得到合成特力利汀的关键中间体(2S)-4-氧代-2-(3-噻唑烷基羰基)-1-吡咯烷羧酸叔丁酯,总收率73.8%。采用了新的合成策略,对氧化方法进行了研究优化。整体路线环境污染小、对设备腐蚀小、产品收率高,适于工业化推广。其结构经1H NMR和ESI-MS确证。
关键词:特力利汀中间体;4-羟基-L-脯氨酸;氧化;(2S)-4-氧代-2-(3-噻唑烷基羰基)-1-吡咯烷羧酸叔丁酯
中图分类号:0624.6;R914.5  文献标识码:A  文章编号:1009-9212(2018)06-0036-04
Synthesis of the Key Intermediate (2S)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester of Teneligliptin
CUI Zhe-kai, ZHUO Guang-lan* (Zhejiang Sci-Tech University, College of Science, Hangzhou 310018, China)
Abstract:The key intermediate of Teneligliptin, (2S)-4-oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester, was synthesized from trans-4-hydroxy-L-proline and cysteamine hydrochloride in three steps including amino protection, oxidation, condensation. The overall yield from this synthetic route was 73.8%. The new strategy used in this method had the advantages including less pollution, lower corrosion, and high yield. It was suitable for industrial application. At the same time, we discussed and optimized the oxidation method. The structure was confirmed by 1H NMR and ESI-MS.
Key words:intermediate of Teneligliptin; 4-hydroxy-L-proline; oxidation; (2S)-4-oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester
作者简介:崔哲凯(1993-),男,内蒙古赤峰人,硕士研究生,研究方向:精细有机合成(E-mail:15988172114@163.com)。
联 系 人:卓广澜,副教授,研究方向:精细有机合成。
收稿日期:2018-11-28