Continuous-Flow Synthesis and Purification of Atropine with Sequential In-Line Separations of Structurally Similar Impurities

被引:40
作者
Dai, Chunhui [1 ]
Snead, David R. [1 ]
Zhang, Ping [1 ]
Jamison, Timothy F. [1 ]
机构
[1] MIT, Dept Chem, Cambridge, MA 02139 USA
关键词
continuous-flow synthesis; membrane separation; atropine; TROPANE ALKALOIDS; MULTISTEP SYNTHESIS; CHEMISTRY; IBUPROFEN; SYSTEMS;
D O I
10.1556/1846.2015.00013
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Flow chemistry has attracted significant interest in pharmaceutical development, where substantial efforts have been directed toward the design of continuous processes. Here, we report a total synthesis of atropine in flow that features an unusual hydroxymethylation and separation of several by products with high structural similarity to atropine. Using a combination of careful pH control in three sequential liquid-liquid extractions and a functionalized resin, atropine is delivered by the flow system with >98% purity.
引用
收藏
页码:133 / 138
页数:6
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