Transition metal catalyzed oxidations; 4. Improved method for the oxidation of 1- and 2-naphthols to 1,2-naphthoquinones

DOI: 10.1055/s-1990-27116

Source and publish data:

Synthesis p. 1141 - 1143 (1990)

Update date:2022-08-05

Topics:

Authors:

Krohn Krohn

Rieger Rieger

Bruggmann

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Article abstract of DOI:10.1055/s-1990-27116

A specific oxidation of 1- and 2-naphthols to the corresponding 1,2-naphthoquinones can be achieved by slow addition of the preformed complex of the naphthols with titanium tetraisopropylate with a syringe pump to excess tert-butyl hydroperoxide (TBHP). A previously described method gave mainly coupling products from the Michael reaction.

Full text of DOI:10.1055/s-1990-27116

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