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Oxidation of 2,6-disubstituted phenols as a route to 3,5,3′,5′-tetrasubstituted diphenoquinones and 4,4′-dihydroxydiphenyls

✍ Scribed by M. Sh. Vakhitova; B. I. Pantukh; G. A. Tolstikov; O. P. Yablonskii; R. B. Svitych


Book ID
112448389
Publisher
Springer
Year
1987
Tongue
English
Weight
260 KB
Volume
36
Category
Article
ISSN
1573-9171

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✍ Francesco Paolo Invidiata; Giancarlo Furná; Ilaria Lampronti; Daniele Simoni 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 243 KB

## Abstract The reaction of thiocarbohydrazide with carboxylic acids at the melting temperature allows an improved preparation of the S‐substituted 4‐amino‐3‐mercapto‐1,2,4‐triazole heterocycles. The crude 4‐amino‐5‐mercapto‐1,2,4‐triazoles react easily with carboxylic acids or carboxylic acid chlo