专利检索 ap:("Lonza Guangzhou Nansha Ltd." OR "Lonza Ltd") AND inv:"Reta ZHU" 第 1 页

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发明申请
Method for Preparation of 1,4-Sorbitan 有权

公开(公告)号：US20210261514A1

公开(公告)日：2021-08-26

申请号：US17265939

申请日：2019-08-26

申请人： Lonza Guangzhou Nansha Ltd. , Lonza Ltd

发明人： Jieping WEI , Yanling YANG , Daniel SHAN , Reta ZHU , Paul HANSELMANN , Dieter SCHERER

IPC分类号： C07D307/20

摘要： The invention discloses a method for preparation of 1,4-sorbitan by dehydration of D-sorbitol, wherein one equivalent of water is removed and a cyclization occurs, followed by a treatment with ethanol and isopropanol.