formula PhL1-3SiH2 (1, L1 = C6H3(CH2OtBu)2-2,6; 2, L2 = C6H3(CH2OtBu)-2-(CH2NMe2)-6; 3, L3 = C6H3(CH2NMe2)2-2,6) are reported. The reactivity of compounds 1–3 towards elemental sulphur and selenium was studied. It depends on the identity of the donor atoms. While the ether-substituted organohydridosilane PhL1SiH2 (1) does not react, the amino-substituted organohydridosilanes PhL2SiH2 (2) and PhL3SiH2
含有通式PhL 1-3 SiH 2(1,L 1 = C 6 H 3(CH 2 O t Bu)2 -2.6; 2,L 2 = C的Y,C,Y螯合
配体的有机氢化
硅烷的合成6 ħ 3(CH 2 ö吨丁基)-2-(CH 2 NME 2)-6; 3,L 3 = C 6 H ^ 3(CH 2 NME 2)2-2.6)。化合物的反应性1 - 3向元素
硫和
硒进行了研究。这取决于给体原子的身份。尽管醚取代的有机氢化
硅烷PhL 1 SiH 2(1)不反应,但
氨基取代的有机氢化
硅烷PhL 2 SiH 2(2)和PhL 3 SiH 2(3)提供了N→Si配位的
硅氢化物PhL 2 SiS(4)),PhL 3 SiS(6)和甲
硅烯酮PhL 2 SiSe(5),PhL 3 SiSe(7)分别包含末端Si-E键(E = S,Se)。化合物1和2在环境温度下不与
水反应,而3的
水解则产生二有机
硅烷二醇PhL 3 Si(OH)2(8)。该化合物的特征在于1