IR spectral study of the vacuum pyrolysis of 2,3-dimethyl-and 2,3,7,8-tetramethyl-5-germaspiro[4.4]nona-2,7-dienes as possible sources of 3,4-dimethylcyclopentene-3-germylene |
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| Authors: | P Mazerolles V N Khabashesku S E Bogdanov O M Nefedov |
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| Institution: | 1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow
2. Organometallic Chemistry Laboratory, P. Sabatier University, Toulouse, France
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| Abstract: | | 1. |
The matrix IR spectra of 2,3-dimethyl- and 2,3,7,8-tetramethyl-5-germaspiro 4.4]-nona-2,7-dienes in argon at 12 K are reported for the first time.
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The possibility of the formation of the corresponding germylene, namely, 3, 4-di-methylcyclopentene-3-germylene in the thermal decomposition of 2,3,7,8-tetramethyl-5-germa-spiro 4.4] non-2,7-diene was demonstrated by chemical capture and matrix IR spectroscopy. This germylene undergoes complete decomposition under the vacuum pyrolysis conditions to metallic germanium and 2,3-dimethyl-1,3-butadiene.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1428–1432, June, 1989. |
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