Beckmann Rearrengement of Cyclohexanone Oxime into ?-Caprolactam over Dowex DR-2030 Sulforesin Catalyst in Presence of Dimethylsulfoxide

Authors

  • V. V. Brei Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine
  • N. S. Bodyul Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine
  • A. G. Grebenyuk Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine

Abstract

It has been shown that Dowex DR-2030 provides 100% conversion of cyclohexanone oxime (17 wt.% solution in DMSO) with 80–85% ?-caprolactam yield at 100–120°C (LHSV = 1 h-1). By the results on quantumchemical simulation of Beckmann rearrangement of cyclohexanone oxime, DMSO promotes lowering of energy barrier of the reactions of oxime protonation and deprotonation of formed caprolactam.

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(1)
Brei, V. V.; Bodyul, N. S.; Grebenyuk, A. G. Beckmann Rearrengement of Cyclohexanone Oxime into ?-Caprolactam over Dowex DR-2030 Sulforesin Catalyst in Presence of Dimethylsulfoxide. Him. Fiz. Tehnol. Poverhni 2013, 4, 21-26.

Issue

Vol. 4 No. 1 (2013): Chemistry, Physics and Technology of Surface / Himia, Fizika ta Tehnologia Poverhni

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