Hantzsch Ester as a Photosensitizer for the Visible‐Light‐Induced Debromination of Vicinal Dibromo Compounds. Issue 28 (7th June 2016)

• Record Type: Journal Article
• Authors: Chen, Wenxin; Tao, Huachen; Huang, Wenhao; Wang, Guoqiang; Li, Shuhua; Cheng, Xu; Li, Guigen
• Is Part Of: Chemistry. Volume 22:Issue 28(2016)
• Page Start: 9546
• Page End: 9550
• Publication Date: 2016-06-07
• Subjects: alkenes -- catalyst-free reactions -- debromination -- Hantzsch ester -- visible light; Chemistry -- Periodicals; 540
• DOI: 10.1002/chem.201601819
• Languages: English
• ISSNs: 0947-6539

Abstract

Abstract: The debromination of vicinal dibromo compounds to generate alkenes usually requires harsh reaction conditions and the addition of catalysts. Just recently the visible‐light‐induced debromination of vicinal dibromo compounds emerged as a possible alternative to commonly used methods, but the substrate scope of this reaction is limited and a photocatalyst is necessary for the successful conversion of the starting compounds. A catalyst‐free visible‐light‐induced debromination of vicinal dibromo compounds with a base‐activated Hantzsch ester as photosensitizer is reported. The method has a wide substrate scope and a broad functional‐group compatibility. Abstract : Turn all the lights on ! The debromination of vicinal dibromo compounds to generate alkenes usually requires harsh reaction conditions and the addition of catalysts. A mild, catalyst‐free visible‐light‐induced debromination of vicinal dibromo compounds using a base‐activated Hantzsch ester as photosensitizer is presented. This method has a wide substrate scope and tolerates a broad range of functional groups.