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2 035 452

(13)

(51)

IPC

(21) (22)

Application

4203543/04, 1987-10-27

(22)

Actual filing date

1987-10-27

(45)

Published

1995-05-20

(72)

Inventor

Lesli Roj Khehtton[Gb]Dehvid Vill'Jam Khokins[Gb]Ehdgar Vill'Jam Parnell[Gb]Kristofer Dzhon Person[Gb]Dehvid Alan Roberts[Gb]

(73)

Holder

Mehj Ehnd Bejker Limited

METHOD OF N-PHENYLPYRAZOLE SYNTHESIS Russian patent published in 1995 - IPC

Abstract RU 2035452 C1

FIELD: organic chemistry. SUBSTANCE: products: compounds of the formula (I) where radicals are different. Method involves interaction of phenylhydrazine of the formula (II) with compound of the formula (III) (Y)(R⁶)C = C(R⁸)(R⁴) with nonobligatory isolation of compound of the formula (IV) and following alternative conversion of compounds of the formula (I). EFFECT: improved method of synthesis. 8 tbl

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RU 2 035 452 C1

Authors

Lesli Roj Khehtton[Gb]

Dehvid Vill'Jam Khokins[Gb]

Ehdgar Vill'Jam Parnell[Gb]

Kristofer Dzhon Person[Gb]

Dehvid Alan Roberts[Gb]

Dates

1995-05-20—Published

1987-10-27—Filed