Authors: | Rojas-León, Irán Gómez-Jaimes, Gelen Montes-Tolentino, Pedro Hiller, Wolf Alnasr, Hazem Rodríguez-Molina, Braulio Hernández-Ahuactzi, Irán F. Beltrán, Hiram Jurkschat, Klaus Höpfl, Herbert |
Title: | Molecular cage assembly by Sn-O-Sn bridging of di-, tri- and tetranuclear organotin tectons: extending the spacing in double ladder structures |
Language (ISO): | en |
Abstract: | Hydrolysis reactions of di- and trinuclear organotin halides yielded large novel cage compounds containing Sn−O−Sn bridges. The molecular structures of two octanuclear tetraorganodistannoxanes showing double-ladder motifs, viz., [{Me3SiCH2(Cl)SnCH2YCH2Sn(OH)CH2SiMe3}2(μ-O)2]2 [1, Y=p-(Me)2SiC6H4-C6H4Si(Me)2] and [{Me3SiCH2(I)SnCH2YCH2Sn(OH)CH2SiMe3}2(μ-O)2]2⋅0.48 I2 [2⋅0.48 I2, Y=p-(Me)2SiC6H4-C6H4Si(Me)2], and the hexanuclear cage-compound 1,3,6-C6H3(p-C6H4Si(Me)2CH2Sn(R)2OSn(R)2CH2Si(Me)2C6H4-p)3C6H3-1,3,6 (3, R=CH2SiMe3) are reported. Of these, the co-crystal 2⋅0.48 I2 exhibits the largest spacing of 16.7 Å reported to date for distannoxane-based double ladders. DFT calculations for the hexanuclear cage and a related octanuclear congener accompany the experimental work. |
Subject Headings: | DFT calculations DOSY NMR spectroscopy Metallacycles Tetraorganodistannoxane X-ray diffraction |
URI: | http://hdl.handle.net/2003/40830 http://dx.doi.org/10.17877/DE290R-22687 |
Issue Date: | 2021-06-02 |
Rights link: | https://creativecommons.org/licenses/by-nc-nd/4.0/ |
Appears in Collections: | Lehrstühle für Anorganische Chemie |
Files in This Item:
File | Description | Size | Format | |
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Chemistry A European J - 2021 - Rojas‐Le n - Molecular Cage Assembly by Sn O Sn Bridging of Di‐ Tri‐ and Tetranuclear.pdf | DNB | 4.82 MB | Adobe PDF | View/Open |
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