Disproportionation of the alkynyl derivatives of alkali metal aluminum hydrides in electron-donor solvents |
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Authors: | V. V. Gavrilenko M. I. Vinnikova V. A. Antonovich L. I. Zakharkin |
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Affiliation: | (1) A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow |
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Abstract: | Conclusions The reaction of disproportionation of mixed hydride alkynyl complexes of aluminum in ether, THF, and hexametapol was studied by27Al NMR, and it was shown that the stability of MAlH(3–n)) (CCR)n, where M=Li, Na, K, and R=Ph, n-Bu decreases in the order: MAlH(CCR)3 < MAlH2(CCR)2 < MAlH3(CCR). The tendency of these complexes to disproportionate increases with an increase in the solvation of the cation.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 343–349, February, 1984.We would like to thank A. V. Kisin for recording the27Al NMR spectra. |
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