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2 120 943

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(51)

IPC

(21) (22)

Application

96108798/04, 1994-09-19

(22)

Actual filing date

1994-09-19

(45)

Published

1998-10-27

(72)

Inventor

Tomas Charl'Z KroufordNejl DemersStefen P.GibsonCharl'Z Uil'Jam MurtiashouKonstantin Sklavounos

(73)

Holder

Pfajzer Ink.

DORAMECTINE DERIVATIVES, METHODS OF THEIR SYNTHESIS, METHODS OF TREATMENT Russian patent published in 1998 - IPC

Abstract RU 2120943 C1

FIELD: organic chemistry. SUBSTANCE: invention relates to doramectine derivatives of the formula (III) where R¹ is (C₂-C₅--alkanoyl or phenoxyacetyl optionally substituted with 1-3 (C₁-C₄--alkyl, (C₁-C₄--alkoxy or halide; R² is hydrogen or phenoxythiacarbonyl optionally substituted with 1-3 (C₁-C₄)-alkyl, (C₁-C₄)-alkoxy or halide. Doramectine and intermediate compounds synthesized by this method can be used as antiparasitic agents. EFFECT: improved method of synthesis. 23 cl, 13 ex

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RU 2 120 943 C1

Authors

Tomas Charl'Z Krouford

Nejl Demers

Stefen P.Gibson

Charl'Z Uil'Jam Murtiashou

Konstantin Sklavounos

Dates

1998-10-27—Published

1994-09-19—Filed