Les reactions de redistribution dans la chimie du bore. Etude des reactions de competition des groupements NMe2, Cl, SMe, OMe, F sur des centres bore mono et difonctionnels R2B- ET RB<
作者:J.P. Costes、G. Cros、J.P. Laurent
DOI:10.1016/s0022-328x(00)84547-7
日期:1979.8
A quantitative 1H and 11B NMR study of the redistributionequilibriabetween the NMe2 group and the Cl, SMe,OMe and F substituents on the mono and difunctional boron centers (R2B- and RB<) is reported. The preferential affinity of the amino group towards dialkylated boron centers is shown by the examination of the “intersystem” constant sets. A relative affinity scale is proposed.
报告了NMe 2基团与单和双官能硼中心(R 2 B-和RB <)上的Cl,SMe,OMe和F取代基之间重新分布平衡的定量1 H和11 B NMR研究。氨基对二烷基化硼中心的优先亲和力通过检查“系统间”常数集来显示。提出了相对亲和力量表。
Boron-nitrogen compounds
作者:Fazlul Alam、Kurt Niedenzu
DOI:10.1016/0022-328x(83)80216-2
日期:1983.2
nes is described and their NMR spectra are interpreted. The reaction of 2-(pyrazol-1′-yl)-1,3,2,-diazaboracyclohexanes with pyrazoles was found to lead to 1/1 molar adducts which exist in equlibrium with the uncomplexed species, whereas B-tetraalkylpyrazaboles are obtained on reaction with (dimethylamino)dialkylboranes. Similar reactions of 2-(pyrazol-l′-yl)-1,3,2-diazaboracyclopentanes with several