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Synthesis and structures of stiba choline bromide, [Me 3 SbCH 2 CH 2 OH]Br and (Me 3 SbCH 2 COO) 8 (NaBr) 7 (MeOH) 9 (H 2 O), a supramolecular derivative of stiba betaine
Author(s) -
Balázs Lucia,
Breunig Hans J.,
Lork Enno,
Raţ Ciprian I.
Publication year - 2005
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.982
Subject(s) - chemistry , betaine , bromide , supramolecular chemistry , sodium bromide , intramolecular force , molecule , antimony , methanol , medicinal chemistry , crystal structure , halide , ion , derivative (finance) , stereochemistry , inorganic chemistry , sodium , crystallography , organic chemistry , financial economics , economics
The antimony analogue of choline bromide, [Me 3 SbCH 2 CH 2 OH]Br ( 1 ), is formed by the reaction of Me 3 Sb with BrCH 2 CH 2 OH. Crystals of (Me 3 SbCH 2 COO) 8 (NaBr) 7 (MeOH) 9 (H 2 O) ( 2 ) are obtained from [Me 3 SbCH 2 COOH]Br and Na 2 CO 3 in methanol. Crystals of 1 contain stibonium cations with intramolecular coordination of the ethanolic group. The structure of 2 features supramolecular units where the carboxylic groups of stiba betaine molecules are in bridging positions between sodium ions. Copyright © 2005 John Wiley & Sons, Ltd.