SYNTHESIS AND CHARACTERIZATION OF BORON SPIROCHELATES .1. SOME MIXED-LIGAND BORON(III) HETEROCYCLES CONTAINING A DIOL AND 8-QUINOLINOL

Authors
Citation
A. Vyas et R. Bohra, SYNTHESIS AND CHARACTERIZATION OF BORON SPIROCHELATES .1. SOME MIXED-LIGAND BORON(III) HETEROCYCLES CONTAINING A DIOL AND 8-QUINOLINOL, Synthesis and reactivity in inorganic and metal-organic chemistry, 26(10), 1996, pp. 1691-1703
Citations number
27
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
0094-5714
Volume
26
Issue
10
Year of publication
1996
Pages
1691 - 1703
Database
ISI
SICI code
0094-5714(1996)26:10<1691:SACOBS>2.0.ZU;2-4
Abstract
The reaction of B(OPr-i)(3) with 8-quinolinol (OXH) in 1:1 molar ratio in refluxing benzene yields [OXB(OPr-i)(2)](1). Further reaction of ( 1) with diols in refluxing benzene yields spirochelates of boron(III) of the type [OXB(O-G-O)] (where G= -CH2-CH2-, -CH2-CH-CH2-CH3-C(CH3)(2 )-(CH3)(2)C-,-(CH2)(4)- -CH2-CH(C2H5)-CH-CH2-CH2-CH3, (CH3)(2)C-CH2-CH -CH3, and -(CH2)(6)-). All these derivatives are soluble in common org anic solvents and are monomeric. They were characterised by elemental analyses, IR and multinuclear NMR (H-1, C-13, B-11) spectral studies. These studies suggest a weak coordination between boron and the nitrog en of the 8-quinolinol moiety leading to tetracoordination around boro n in all of these derivatives.