Synthesis and characterization of stannanechalcogenones; X-ray structures of [RN(RN)Sn(µ-S)]2and [(RN)2SnE][RN= CH(SiMe3)C9H6N-8; E = Se, Te]
- 1 January 1996
- journal article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 4,p. 505-506
- https://doi.org/10.1039/cc9960000505
Abstract
The tin(II) alkyl (R[graphic omitted] 1 [RN= CH(SiMe3)C9H6N-8] reacts with elemental chalcogens in thf to afford thermally stable dimeric dialkylstannane-thione [RN(R[graphic omitted](µ-S)]22 and monomeric dialkylstannane-selone and -tellurone [(R[graphic omitted]E](E = Se 3, Te 4) in good yields; 119Sn NMR spectra of 3 and 4 display satellites with coupling constants 1J119Sn–77Se 2966.3 Hz and 1J119Sn–125Te 7808.3 Hz; the tin–chalcogen distances from single-crystal X-ray analysis are 2.47 (av.), 2.398 and 2.618 Å for 2, 3 and 4 respectively.Keywords
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