Facile synthesis of closo-nido bis(carborane) and its highly regioselective halogenationстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 16 ноября 2017 г.
Аннотация:1,10-Bis(ortho-carborane) undergoes mild deboronation in solution in the presence of water with formation of the [7-(1',2'-closo-C2B10H11-10-)-7,8-nido-C2B9H11]- (1) anion. The chlorination of 1 with N-chlorosuccinimide in acetonitrile proceeds highly regioselectively to give [7-(1',2'-closo-C2B10H11-10-)-9-Cl-7,8-nido-C2B9H10]- (2) as the main product, whereas its bromination and iodination with elemental halogens results exclusively in [7-(1',2'-closo-C2B10H11-10-)-9-X-7,8-nido-C2B9H10]-, X = Br (3) and I (4), respectively. The structure of [Me3NH][7-(1',2'-closo-C2B10H11-10-)-9-X-7,8-nido-C2B9H10] was determined by single-crystal X-ray diffraction.