An Efficient Synthesis of 3,3＇,4,4＇-Tetrahydro-4,4＇-bibenzo- [e][1,3]oxazine-2,2＇-dione Derivatives with the Aid of Low-valent Titanium  

作　　者：窦国兰 孙芳 赵玄 史达清 

机构地区：[1]Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China [2]School of Safety Engineering, China University of Mining ＆Technology, Xuzhou, Jiangsu 221116, China

出　　处：《Chinese Journal of Chemistry》2011年第11期2465-2470,共6页中国化学（英文版）

基　　金：Project supported by the National Natural Science Foundation of China （No. 21072144） and the Major Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions （No. 10KJAI50049）.

摘　　要：Synthesis of 3,3＇,4,4＇-tetrahydro-4,4＇-bibenzo[e][1,3]oxazine-2,2＇-diones via reaction of salicylidendphenylhy- drazone and triphosgene with the aid of low-valent titanium reagent is described. This method has the advantages of accessible starting materials, good yields and short reaction time.Synthesis of 3,3＇,4,4＇-tetrahydro-4,4＇-bibenzo[e][1,3]oxazine-2,2＇-diones via reaction of salicylidendphenylhy- drazone and triphosgene with the aid of low-valent titanium reagent is described. This method has the advantages of accessible starting materials, good yields and short reaction time.

关 键 词：synthesis design benzo[e][1 3]oxazine-2 2＇-diones low-valent titanium reagent radical reactions 

分 类 号：TQ252.4[化学工程—有机化工] TQ455.47