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(19)

RU

(11)

2 090 563

(13)

C1

(51)

IPC

(21) (22)

Application

4831832/04, 1990-12-04

(22)

Actual filing date

1990-12-04

(45)

Published

1997-09-20

(72)

Inventor

Zhan-P'Er Bastar[Fr]Zhan-Mark Pari[Fr]Ksav'E Radisson[Fr]

(73)

Holder

Ron-Pulenk Sante

METHOD OF PREPARING SYNERGISTINS AND SYNERGISTIN DERIVATIVES Russian patent published in 1997 - IPC

Abstract RU 2090563 C1

FIELD: antibiotics. SUBSTANCE: synergistin derivative is prepared by interaction of pristinamycin with amine or polyhydroxymethylene, Mannich base formation followed by removing amine incorporated. Synergistin derivative is used for preparing pristinamycin Ia or virginiamycin. EFFECT: improved method of preparing. 2 cl

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RU 2 090 563 C1

Authors

Zhan-P'Er Bastar[Fr]

Zhan-Mark Pari[Fr]

Ksav'E Radisson[Fr]

Dates

1997-09-20—Published

1990-12-04—Filed

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