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2 041 870

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C1

(51)

IPC

(21) (22)

Application

5062063/05, 1992-09-10

(22)

Actual filing date

1992-09-10

(45)

Published

1995-08-20

(72)

Inventor

Juzhakova O.A.Borovkov A.G.

(73)

Holder

Moskovskoe Nauchno-Proizvodstvennoe Ob"Edinenie

PROCESS FOR PREPARING BLUE COLOR-FORMING COMPONENTS OF 2- ACYL AMINO-4,6-DICHLORO-5-METHYLPHENOL Russian patent published in 1995 - IPC

Abstract RU 2041870 C1

FIELD: color cine and photographic materials. SUBSTANCE: 2-amino-4,6- dichloro-5-methylphenol with carboxylic acid chloride in acetonitrile in the presence of N,N-diethylaniline. The yield of the product is 80-89% EFFECT: more efficient preparation process.

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RU 2 041 870 C1

Authors

Juzhakova O.A.

Borovkov A.G.

Dates

1995-08-20—Published

1992-09-10—Filed

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