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2 074 180

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C1

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IPC

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Application

93005798/04, 1993-02-01

(22)

Actual filing date

1993-02-01

(45)

Published

1997-02-27

(72)

Inventor

Majzlish V.E.Kulinich V.P.Shaposhnikov G.P.Kolesnikova E.E.Doroshina O.A.Smirnov R.P.

(73)

Holder

Ivanovskaja Gosudarstvennaja Khimiko-Tekhnologicheskaja Akademija

6(7)-HALOGEN-1,3,3-TRICHLOROISOINDOLENINS AS INTERMEDIATE PRODUCTS FOR SYNTHESIS OF DIHALOGEN-SUBSTITUTED PHTHALOCYANINES OR THEIR COMPLEXES Russian patent published in 1997 - IPC

Abstract RU 2074180 C1

FIELD: organic chemistry. SUBSTANCE: desired compounds are prepared by interaction of corresponding 4-chloro- or 4-bromophthalimides with phosphorous pentachloride, the process takes place by heating in dry 1,2-dichlorobenzene. Then fraction vacuum distillation is carried out. EFFECT: higher efficiency. 2 dwg

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RU 2 074 180 C1

Authors

Majzlish V.E.

Kulinich V.P.

Shaposhnikov G.P.

Kolesnikova E.E.

Doroshina O.A.

Smirnov R.P.

Dates

1997-02-27—Published

1993-02-01—Filed

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