Germanium(II) pseudohalides: Ge(CN)2, Ge(NCO)2 and Ge(NCS)2; syntheses and reactivities |
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| Institution: | 1. Chemistry and Technology of Inorganic Polymers, Faculty of Chemistry at Adam Mickiewicz University in Poznan, Umultowska 89b, Poznan 61-614, Poland;2. Poznan Science and Technology Park, Adam Mickiewicz University Foundation, ul. Rubiez 46, Poznan 61-612, Poland;3. Department of Organometallic Chemistry, Faculty of Chemistry at Adam Mickiewicz University in Poznan, Umultowska 89b, Poznan 61-614, Poland |
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| Abstract: | The hitherto unknown germanium(II) pseudohalides: Ge(CN)2, Ge(NCO)2 and Ge(NCS)2, have been prepared by reactions of germanium(II) halides with corresponding silver or potassium salts; they are stable in tetrahydrofuran or acetone solution in which they are extremely sensitive to moisture, and they undergo cycloaddition, insertion, and Lewis acid-base reactions characteristic of highly reactive germylenes. Infrared spectra indicate that in tetrahydrofuran solution Ge(CN)2 is the normal cyanide, whereas Ge(NCO)2 and Ge(NCS)2 are the isocyanate and isothiocyanate, respectively. |
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