作者:Roland Boese、Uwe Klingebiel
DOI:10.1016/s0022-328x(00)98992-7
日期:1986.6
The lithium salt of N,N′-bis(t-butyldimethylsilylhydrazine), CMe3SiMe2-NLiNHSiMe2CMe3, reacts with aminodifluoroboranes, Me3SiNRBF2 (R = CMe3, SiMe3) to give the N,N′-bis(silyl)-N-fluoroboryl-hydrazines I (R = CMe3) and II (R = SiMe3). The three-membered diazaboracyclopropanes III (R = CMe3) and IV (R = SiMe3) are obtained in the reaction of I and II with t-C4H9Li. According to crystal structure analysis
N,N'-双(叔丁基二甲基甲硅烷基肼)的锂盐CMe 3 SiMe 2 -NLiNHSiMe 2 CMe 3与氨基二氟硼烷Me 3 SiNRBF 2(R = CMe 3,SiMe 3)反应生成N,N' -双(甲硅烷基)-N-氟硼基肼I(R = CMe 3)和II(R = SiMe 3)。在I和II与tC 4 H 9的反应中获得三元重氮杂硼环丙烷III(R = CMe 3)和IV(R = SiMe 3)。李。根据IV和NMR测量的晶体结构分析,III和IV包含具有C 2对称性的平面NBN 2单元。IV的环外BN键为140.6(3)pm,环内BN键为142.6(3)pm,BN 2环的角度为71.8(1)°。