Oxygenation of 2, 6-di-t-butylphenols with superoxo Co (III) complexes
A Nishinaga, H Tomita, T Matsuura
Index: Nishinaga, A.; Tomita, H.; Matsuura, T. Tetrahedron Letters, 1980 , vol. 21, p. 2833 - 2836
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Citation Number: 10
Abstract
Superoxo Co(III) complexes, [Co(CN) 5 O 2 ][X] 3 where X = Et 3 N + and (Ph 3 P) 2 N + , mediate the dioxygen incorporation into 2,6-di- -butylphenols ( ) with the same regioselectivity as that in the base-catalyzed oxygenation of . The superoxo species acts as a base but is not incorporated into the substrate. ... The superoxo complex was obtained as crystals by irreversible oxygenation of [Co(CN) 5 ][NEt 4 ] 3 in DMF 4 and which is soluble in CH 2 Cl 2 was synthesized by ...
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