Preparation of 2-(2H-Benzotriazol-2-yl)phenols by the Reduction of 2-phenols with Thiourea S,S-Dioxide

DOI: 10.1055/s-1986-31733

Source and publish data:

Synthesis p. 647 - 649 (1986)

Update date:2022-09-26

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Authors:

Tanimoto, Shigeo

Kamano, Takayoshi

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Article abstract of DOI:10.1055/s-1986-31733

The reduction of 2-<(2-nitrophenyl)azo>phenols 1 with thiourea S,S-dioxide and sodium hydroxide in a mixture of isopropyl alcohol and water at reflux provides 2-(2H-benzotriazol-2-yl)phenols 3 in excellent yields.

Full text of DOI:10.1055/s-1986-31733

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