Hydrogenation and isomerization of allylbenzene in the presence of the (Cp2TiCl)2-LiAlH4 catalytic system |
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| Authors: | A V Avdeev L I Gvinter V Z Sharf |
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| Institution: | 1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow
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| Abstract: | | 1. |
The (Cp2TiCl)2-LiAlH4 system with Al/Ti from 0.25 to 1.5 catalyzes both the homogeneous hydrogenation and isomerization of allylbenzene.
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In an argon atmosphere, allylbenzene is isomerized to trans-propenylbenzene with 90–92% selectivity when Al/Ti=1–1.5.
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The possibility was demonstrated for reactivation of this catalytic system by its retreatment with LiAlH4.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 729–731, March, 1989. |
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