Functionalization of sterically hindered catechol and  o -benzoquinone with 2,2,6,6-tetramethylpiperidine 1-oxyl

N. O. Druzhkov; E. N. Egorova; M. V. Arsen’ev; E. V. Baranov; V. K. Cherkasov

doi:10.1007/s11172-016-1668-5

Functionalization of sterically hindered catechol and o-benzoquinone with 2,2,6,6-tetramethylpiperidine 1-oxyl

Authors: Druzhkov N.O.¹, Egorova E.N.¹, Arsen’ev M.V.¹, Baranov E.V.¹, Cherkasov V.K.¹
Affiliations:
1. G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences
Issue: Vol 65, No 12 (2016)
Pages: 2855-2860
Section: Full Articles
URL: https://journals.rcsi.science/1066-5285/article/view/239544
DOI: https://doi.org/10.1007/s11172-016-1668-5
ID: 239544

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Abstract

Sterically hindered 4,6-di-tert-butyl-3-formylcatechol and 3,6-di-tert-butyl-o-benzoquinone react with 4-amino-2,2,6,6-tetramethylpiperidine 1-oxyl to give new chelate ligands of the o-quinone type bearing a 2,2,6,6-tetramethylpiperidine 1-oxyl neutral radical moiety. Structures of the synthesized compounds were established by ESR spectroscopy, IR spectroscopy, mass spectrometry, and X-ray diffraction analysis.