Diazoles

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Diazoles

 

stabilized diazonium salts. The salts are usually stabilized as a result of the formation of double salts with ZnCl2 or of salts with naphthalenedisulfonic acid. To eliminate their explosiveness, diazoles are mixed with inorganic salts. They are used for the smooth dyeing of cellulose fibers, yarn, and cloth (rarely wool and natural silk), as well as for printing on cloth, in various colors. In this process, water-insoluble azo dyes are produced as a result of nitrogen coupling in the fiber pores.

REFERENCE

Emel’ianov, A. G. Produkty dlia azoidnogo krasheniia v tekstil’noi promyshlennosti. Moscow, 1967.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Clotrimazole, miconazole, and ketoconazole are diazoles, while the remaining compounds are triazoles.
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Slow addition of aldehyde with continuous stirring led in situ to [alpha],[beta]-unsaturated ketone generation indicated by TLC and FTIR which was consumed by hydrazine to furnish titled diazoles in excellent yield.
To improve and make this approach more benign, clean, and high-yielding, we have attempted to prepare diazoles under microwave radiations.
Diazoles bearing electron donating groups (-OH, -OC[H.sub.3], -furfural) on aromatic ring of carbinol carbon demonstrated remarkable yield.
TABLE 1: An overview of reactants and diazoles 4/5/6(a-o).
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