Cyanation of double bond systems

Details Cyanation of double bond systems Cyanation of double bond systems

1996-02-28

1998-05-12

Richter, Johann

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

Organic compounds

Nitriles

C07C25503

Patent

active

057507619

ABSTRACT:
A process for the preparation of compounds of the formula ##STR1## wherein the substituents X, Y and Z have the meaning given in the description, by reaction of compounds of the formula ##STR2## with a cyanide and an oxidizing agent other than Br.sub.2 in the presence of halides which offers industrial hygiene advantages and renders possible large-scale industrial access to dyestuff syntheses has been found.

REFERENCES:
patent: 4578469 (1986-03-01), Deger et al.
P. Sykes, "A guidebook to Mechanism in Organic Chemistry" pp. 348-351, 5th ed. Long Man, New York, (1981).
P. Sykes, "Reaktionsmechanismem der Organischen Chemie", 9th Ed. pp. 426-429 VCH, Verlagsgesellschaft (1988).
Dewert 27360 D/16=J5 (6059-872)-Sep. 16, 1980.

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