IONIC BROMINATION OF ETHANE AND OTHER ALKANES (CYCLOALKANES) WITH BROMINE CATALYZED BY THE POLYHALOMETHANE CENTER-DOT-2ALBR(3) APROTIC ORGANIC SUPERACIDS UNDER MILD CONDITIONS

Authors
AKHREM IS ORLINKOV AV AFANASEVA LV MYSOV EI VOLPIN ME
Citation
Is. Akhrem et al., IONIC BROMINATION OF ETHANE AND OTHER ALKANES (CYCLOALKANES) WITH BROMINE CATALYZED BY THE POLYHALOMETHANE CENTER-DOT-2ALBR(3) APROTIC ORGANIC SUPERACIDS UNDER MILD CONDITIONS, Tetrahedron letters, 36(51), 1995, pp. 9365-9368
Citations number
9
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
36
Issue
51
Year of publication
1995
Pages
9365 - 9368
Database
ISI
SICI code
0040-4039(1995)36:51<9365:IBOEAO>2.0.ZU;2-Z
Abstract
The polyhalometane . 2AIBr(3) aprotic organic superacids were shown to effectively catalyze low-temperature ionic bromination of (cyclo)alka nes. Ethane readily reacts with Br-2 at 55-65 degrees affording mainly 1,2-dibromoethane. Propane, butane, and C-5-C-6 cycloalkanes react at -40(degrees) divided by -20(degrees) resulting in monobromides with h igh yields and good selectivity.