15512-06-8Relevant articles and documents
Novel oxidation reactions of sterically demanding 3,6-di-tert-butyl porphyrin-o-quinones to muconic anhydride derivatives
Speck, Marcus,Senge, Mathias O.,Schaefer, Andreas,Kurreck, Harry
, p. 2589 - 2592 (1997)
Porphyrin quinones with sterically demanding 3,6-di-tert-butyl-o-quinones were synthesized for electron transfer studies. In the presence of atmospheric oxygen the covalently free base porphyrin-o-quinones are oxidized to muconic acid anhydride and 3,6-di
MIGRATION OF ALKYL GROUPS OF o-tert-BUTYL-SUBSTITUTED HYDROXYAROMATIC COMPOUNDS UNDER HIGH PRESSURE IN COMBINATION WITH SHEARING STRESS
Vol'eva, V. B.,Zhorin, V. A.,Khristyuk, A. L.,Ershov, V. V.,Enikolopyan, N. S.
, p. 342 - 345 (1983)
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Belostotskaya et al.
, (1976)
Heterospin biradicals based on new piperidineoxyl-substituted 3,6-di-tert-butyl-o-benzoquinone
Egorova,Druzhkov,Kozhanov,Cherkasov,Cherkasov
, p. 1629 - 1635 (2018/01/01)
A nucleophilic addition reaction of 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (OH-TEMPO) to 3,6-di-tert-butyl-o-benzoquinone was used to obtain a new sterically hindered o-benzoquinone (1) containing 2,2,6,6-tetramethylpiperidineoxyl functional group, which was characterized by IR spectroscopy, mass spectrometry, elemental analysis, and X-ray diffraction. A one-electron reduction of 1 with potassium and thallium is an efficient method for the generation of earlier unknown heterospin biradicals 5a and 5b, respectively, containing nitroxide and o-semiquinone radical centers. Analysis of the hyperfine structure of the ESR spectra of biradicals 5a and 5b in solution showed that they belong to the group of heterospin biradicals with strong (J >> a) and fast exchange interaction between the radical centers.
Alkoxylation of 3,6-Di-tert-butyl-1,2-benzoquinone. New Bis-1,2-benzoquinones
Shurygina,Druzhkov,Arsen'ev,Bubnov,Fukin,Chesnokov,Cherkasov
experimental part, p. 486 - 495 (2011/07/08)
Alkoxylation of 3,6-di-tert-butyl-1,2-benzoquinone with a number of diols, including propane-1,3- diol, butane-1,4-diol, di-, and triethylene glycols, and cyclohexane-1,4-diyldimethanol, was studied. Nine new 4-alkoxy-3,6-di-tert- butyl-1,2-benzoquinones were synthesized, four of which were bis-1,2-benzoquinones with different tethers (6-13 atoms) between the quinone fragments. Depending on the length of the chain between the hydroxy groups in glycols, bicyclic 4,5-disubstituted 3,6-di-tert-butyl-1,2-benzoquinones were formed or their stepwise alkoxylation occurred. The newly synthesized o-benzoquinone derivatives can be reduced with alkali metals to give radical anions and converted into semiquinone chelates with manganese carbonyl. Pleiades Publishing, Ltd., 2011.
