[EN] PROCESS FOR THE PREPARATION OF ORGANIC BROMIDES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE BROMURES ORGANIQUES
申请人:TECHNION RES & DEV FOUNDATION
公开号:WO2017060905A1
公开(公告)日:2017-04-13
The present invention provides a process for the preparation of organic bromides, by a radical bromodecarboxylation of carboxylic acids with a bromoisocyanurate.
Photoredox-Catalyzed Addition of Dibromofluoromethane to Alkenes: Direct Synthesis of 1-Bromo-1-fluoroalkanes
作者:Feng Chen、Xiu-Hua Xu、Feng-Ling Qing
DOI:10.1021/acs.orglett.1c00639
日期:2021.3.19
is a direct and efficient route to 1-bromo-1-fluoroalkanes through the reaction of unactivated alkenes with dibromofluoromethane under photoredox catalysis. The key to the success of these addition reactions is the employment of a suitable photoredox catalyst. In particular, hydro- and bromo-bromofluoromethylated products were chemoselectively formed using THF and DMF/H2O as solvents, respectively. Furthermore
本文报道的是在光氧化还原催化下,未活化的烯烃与二溴氟甲烷的反应,是直接有效的途径生成1-溴-1-氟烷烃。这些加成反应成功的关键是采用合适的光氧化还原催化剂。特别地,分别使用THF和DMF / H 2 O作为溶剂,化学选择性地形成氢溴和溴溴氟甲基化产物。此外,已制备的1-溴-1-氟代烷烃的合成应用已通过其转化为多种含氟化合物得到了证明。
Direct Copper-Catalyzed C-H Monofluoroalkylation of Benzoxazoles with 1-Fluoro-1-haloalkanes
作者:Wei Li、Andrii Varenikov、Mark Gandelman
DOI:10.1002/ejoc.201901929
日期:2020.6.8
Copper‐catalyzed cross‐coupling reaction allowed the first directC–Hmonofluoroalkylation of benzoxazole with 1‐fluoro‐1‐haloalkanes, which bear β‐hydrogens and no directing groups in vicinity to the reaction center.