67.
(11) Patent number: 2152921
(46) Date of publication: 20.07.2000
(51) Int. Cl.7: C 07 C 17/23, 15/02, 25/02, 25/13, 25/18, 25/22, 209/74
(21) Application number: 98120076/04
(22) Application date: 05.11.1998
(71) Applicant:
Novosibirskij institut organicheskoj khimii im. N.N. Vorozhtsova SO RAN
(72) Inventor:
Trukhin D.V.,
Adonin N.Ju.,
Starichenko V.F.
(73) Proprietor:
Novosibirskij institut organicheskoj khimii im. N.N. Vorozhtsova SO RAN
(98) Mail address:
630090, g.Novosibirsk-90, pr.Ak.Lavrent'eva 9, NIOKh SO RAN, direktor
(54) METHOD OF DECHLORINATION OF SUBSTITUTED CHLOROAROMATIC COMPOUNDS
(57)
FIELD: chemical industry. SUBSTANCE: describes is method of dechlorination of substituted chloroaromatic compounds by reacting reducing agent (zinc, magnesium or aluminium and catalytic amounts of complex nickel compounds generated in situ with bi dentan nitrogen-containing ligands 2,2'-bipiridyl or 1,10- phenanthroline in bipolar solvent in presence of proton source at 70-150 C. EFFECT: simplificatio of process, reduced cost price, ecologically pure and increased yields of products. 38 ex, 8 tbl
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