Hydrogenation of 9-pyridylmethylene- and 9-benzylidene(aza)fluorenes in the presence of rhenium heptasuifide |
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| Authors: | N M Kolyadin A T Soldatenkov M A Ryashentsev N S Prostakov |
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| Institution: | (1) Russian People's Friendship University, 6 ul. Miklukho-Maklaya, 117198 Moscow, Russian Federation;(2) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 117913 Moscow, Russian Federation |
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| Abstract: | Hydrogenation of 9-pyridylmethylene(aza)fluorenes and 9-benzylidene-4-azafluorene at 250 °C andp
H
2 = 130 atm in the presence of Re2S7 as a catalyst occurs preferably at the exoeyclic double bond of the fulvene fragment to yield pyridyl-9-(aza)fluorenylmethanes.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 180–182, January, 1996. |
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| Keywords: | 9-pyridylmethylene(aza)fluorene 9-benzylidene-4-azafluorene hydrogenation rhenium heptasulfide 9-(4-pyridylmethyl)fluorene 9-(4-piperidylmethyl)fluorene |
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