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MeSi(CH2 SnRO)3 (R=Ph, Me3 SiCH2 ): Building Blocks for Triangular-Shaped Diorganotin Oxide Macrocycles.

ABSTRACT: The syntheses of the novel silicon-bridged tris(tetraorganotin) compounds MeSi(CH2 SnPh2 R)3 (2, R=Ph; 5, R=Me3 SiCH2 ) and their halogen-substituted derivatives MeSi(CH2 SnPh(3-n) In )3 (3, n=1; 4, n=2) and MeSi(CH2 SnI2 R)3 (6, R=Me3 SiCH2 ) are reported. The reaction of compound 4 with di-t-butyltin oxide (t-Bu2 SnO)3 gives the oktokaideka-nuclear (18-nuclear) molecular diorganotin oxide [MeSi(CH2 SnPhO)3 ]6 (7) while the reaction of 6 with sodium hydroxide, NaOH, provides the trikonta-nuclear (30-nuclear) molecular diorganotin oxide [MeSi(CH2 SnRO)3 ]10 (8, R=Me3 SiCH2 ). Both 7 and 8 show belt-like ladder-type macrocyclic structures and are by far the biggest molecular diorganotin oxides reported to date. The compounds have been characterized by elemental analyses, electrospray mass spectrometry (ESI-MS), NMR spectroscopy, 1 H DOSY NMR spectroscopy (7), IR spectroscopy (7, 8), and single-crystal X-ray diffraction analysis (2, 7, 8).

SUBMITTER: Ayari J 

PROVIDER: S-EPMC7756359 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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MeSi(CH<sub>2</sub> SnRO)<sub>3</sub> (R=Ph, Me<sub>3</sub> SiCH<sub>2</sub> ): Building Blocks for Triangular-Shaped Diorganotin Oxide Macrocycles.

Ayari Jihed J   Göb Christian R CR   Oppel Iris M IM   Lutter Michael M   Hiller Wolf W   Jurkschat Klaus K  

Angewandte Chemie (International ed. in English) 20201019 52

The syntheses of the novel silicon-bridged tris(tetraorganotin) compounds MeSi(CH<sub>2</sub> SnPh<sub>2</sub> R)<sub>3</sub> (2, R=Ph; 5, R=Me<sub>3</sub> SiCH<sub>2</sub> ) and their halogen-substituted derivatives MeSi(CH<sub>2</sub> SnPh<sub>(3-n)</sub> I<sub>n</sub> )<sub>3</sub> (3, n=1; 4, n=2) and MeSi(CH<sub>2</sub> SnI<sub>2</sub> R)<sub>3</sub> (6, R=Me<sub>3</sub> SiCH<sub>2</sub> ) are reported. The reaction of compound 4 with di-t-butyltin oxide (t-Bu<sub>2</sub> SnO)<sub>3</sub> g  ...[more]

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