Laccase-catalyzed reaction of 3-tert-butyl-1H-pyrazol-5(4H)-one with substituted catechols using air as an oxidant


Emirdag-Ozturk S. , HAJDOK S., CONRAD J., BEIFUSS U.

TETRAHEDRON, cilt.69, ss.3664-3668, 2013 (SCI İndekslerine Giren Dergi)

  • Cilt numarası: 69 Konu: 18
  • Basım Tarihi: 2013
  • Doi Numarası: 10.1016/j.tet.2013.03.023
  • Dergi Adı: TETRAHEDRON
  • Sayfa Sayısı: ss.3664-3668

Özet

The laccase-catalyzed reaction of 3-tert-butyl-1H-pyrazol-5(4H)-one with a number of catechols and aerial oxygen as an oxidant selectively affords 4-substituted 3-tert-butyl-1H-pyrazol-5-ol derivatives with yields ranging from 77 to 99%. (C) 2013 Elsevier Ltd. All rights reserved.