Bis- and tris(amidine)fluoroboron cations and mixed tetrahaloborate anions: NMR studies of mixed boron trihalide adduct redistribution reactions involving amidines as strong nitrogen bases
作者:J. Stephen Hartman、Zheng Yuan、Arnold Fox、Anh Nguyen
DOI:10.1139/v96-242
日期:1996.11.1
amidine–mixed borontrihalideadduct systems D•BFnCl3−n (n = 0–3) in the presence of excess borontrihalide to give complex mixtures of products including the mixed tetrahaloborate anions BFnCl4−n− and the fluoroboron cations D2BF2+ and D3BF2+, which coexist with the neutral adducts D•BFnCl3−n. Excess amidine rapidly displaces chloride ion from the chlorofluoroborate anions and neutral mixedboron trihalide