Synthesis and characterisation of stannanechalcogenones; X-ray structures of [R(N)(R(N))Sn(mu-S)](2) and [(R(N))(2)Sn=E][R(N)=CH(SiMe(3))C9H6N-8; E=Se, Te]

被引：46
|
作者：
Leung, WP
Kwok, WH
Law, LTC
Zhou, ZY
Mak, TCW
机构：
来源：
CHEMICAL COMMUNICATIONS | 1996年 / 04期
关键词：
D O I：
10.1039/cc9960000505
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The tin(II) alkyl (RN)(2)Sn 1 [RN = CH(SiMe(3))C9H6N-8] reacts with elemental chalcogens in thf to afford thermally stable dimeric dialkylstannane-thione [R(N)(R(N))Sn(mu-S)](2) 2 and monomeric dialkylstannane-selone and -tellurone [(RN)(2)Sn=E] (E = Se 3, Te 4) in good yields; Sn-119 NMR spectra of 3 and 4 display satellites with coupling constants (1)J(119Sn-77Se) 2966.3 Hz and (1)J(119Sn-125Te) 7808.3 Hz; the tin-chalcogen distances from single-crystal X-ray analysis are 2.47 (av.), 2.398 and 2.618 Angstrom for 2, 3 and 4 respectively.
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页码：505 / 506
页数：2
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