(Alkoxydiazo)halobenzeneacetonitriles

Details (Alkoxydiazo)halobenzeneacetonitriles (Alkoxydiazo)halobenzeneacetonitriles

1984-07-27

1985-09-03

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Diazooxide or diazotate

260465D, 260465E, 260465F, 260465G, 534565, C07C11300, C07C12000, C07C12166, C07C12168

Patent

active

045393974

ABSTRACT:
The coupling of an aminohalobenzeneacetonitrile with a benzene compound in the presence of an alkyl nitrite to form a halobiphenylacetonitrile via a diazo intermediate is improved by conducting the reaction at a temperature of about 0.degree.-15.degree. C. until diazotization of the aminohalobenzeneacetonitrile is substantially complete. Use of the low diazotization temperature leads to an increased yield of halobiphenylacetonitrile.

REFERENCES:
patent: 3300471 (1967-01-01), Arrigo
patent: 3992409 (1976-11-01), Utne et al.
Hassanaly et al., Bull. Soc. Chim. France, volume of 1974, pp. 560 to 562.
Vernin, Bull. Soc. Chim. France, volume of 1974, pp. 1079 to 1084.

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