Catalytic synthesis of 1,3-propylenediamines |
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| Authors: | K V Yakovlev D V Petrov V A Dokichev Yu V Tomilov |
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| Institution: | 1. Institute of Organic Chemistry, Ufa Scientific Center, Russian Academy of Sciences, Ufa, 450054, Russia
2. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
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| Abstract: | The hydrogenation on Raney nickel of 3-alkenyl-substituted pyrazolines and also of 3-methyl-5-(2-furyl)-1H-pyrazoline and 3,3′-bipyrazoline afforded substituted 1,3-diaminobutanes, 1,3-diaminopentanes, 1,3-diaminohexane, and 1,3,4,6-tetraaminohexane. Under the same conditions from 3-acetyl-4-(2-furyl)-1H-pyrazoline 3-amino-2-methyl-4-(2-furyl)pyrrolidine was obtained. |
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