Accession Number : AD0690349

Title :   DIMETHYLBORIC ANHYDRIDE: A CONVENIENT PREPARATION AND FULL CHARACTERIZATION,

Corporate Author : ALBERTA UNIV EDMONTON DEPT OF CHEMISTRY

Personal Author(s) : Lanthier,G. F. ; Graham,W. A. G.

Report Date : 25 JUN 1968

Pagination or Media Count : 8

Abstract : Dimethylboric anhydride, (CH3)2BOB(CH3)2, has been prepared by limited hydrolysis of dimethylboron chloride and complete characterization has been carried out. The Lewis acid character of boron and the donor strength of oxygen have been studied using tensimetric and nuclear magnetic resonance techniques. Evidence for boron-oxygen pi-bonding obtained from complex formation studies, using trimethylboron as a reference acid, is presented and discussed. The reduced acidity of the boron atoms, in comparison with trimethylboron, is discussed in terms of boron-oxygen pi-bonding. (Author)

Descriptors :   (*BORANES, SYNTHESIS(CHEMISTRY)), (*COMPLEX COMPOUNDS, BORANES), HYDROLYSIS, NUCLEAR MAGNETIC RESONANCE, ANHYDRIDES, CHEMICAL BONDS, MASS SPECTROSCOPY, ETHERS, SULFIDES, INFRARED SPECTRA, CANADA

Subject Categories : Organic Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE