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Isolation and molecular structures of novel organotellurium(IV) halides, oxyhalide and mixed halide

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Title Isolation and molecular structures of novel organotellurium(IV) halides, oxyhalide and mixed halide
 
Creator RAKESH, P
SINGH, HB
BUTCHER, RJ
 
Subject CRYSTAL-STRUCTURE
TRICHLORIDE
CHLORIDE
DIHALIDES
OLEFINS
OXYTELLURATION
STABILIZATION
ELIMINATION
TRIBROMIDE
TRIHALIDES
 
Description The formation of chiral (R)-[2-(4-ethyl-2-oxazolinyl)phenyl]tellurium(IV) trihalides (trichloride (5), tribromide (6) and triiodide (7)) and (R)-[2-(4-ethyl-2-oxazolinyl)phenyl]tellurium(II) bromide (8) is described. The molecular structure of the first chiral organotellurium(IV) triiodide (7) is discussed. The most interesting feature of the structure of 5 is the observation of the shortest intramolecular Te center dot center dot center dot N distance for any organotellurium(IV) trichloride. Compounds 5 and 6 do not undergo electrophilic addition reaction with olefins. Attempted addition reaction of 6 with olefin in methanol leads to the isolation of the rare partially hydrolysed tellurium(IV) halide, methyl-2-(dibromooxotellurium) benzoate (9). Novel stable mixed halide 12 was isolated from the bromination of 11. DFT calculations indicate that both the isomers 12a and 12b have similar stability.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2014-10-15T12:16:11Z
2014-10-15T12:16:11Z
2012
 
Type Article
 
Identifier DALTON TRANSACTIONS, 41(35)10707-10714
http://dx.doi.org/10.1039/c2dt30645j
http://dspace.library.iitb.ac.in/jspui/handle/100/14881
 
Language en