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2 272 041

(13)

(51)

IPC

C07D499/76(2006-01-01)

C07D499/16(2006-01-01)

C07D499/18(2006-01-01)

(21) (22)

Application

2004129034/04, 2004-10-04

(24)

Start date

2004-10-04

(22)

Actual filing date

2004-10-04

(45)

Published

2006-03-20

(72)

Inventor

Rabinovich Il'Ja MikhajlovichPshenichnikov Vitalij Georgievich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Kurganskoe Obshchestvo Meditsinskikh Preparatov I Izdelij

METHOD FOR ISOLATING OXACILLIN SODIUM SALT FROM AQUEOUS AND AQUEOUS-ORGANIC MEDIA Russian patent published in 2006 - IPC C07D499/76 C07D499/16 C07D499/18

Abstract RU 2272041 C1

FIELD: chemical-pharmaceutical industry and technology, pharmacy.

SUBSTANCE: invention describes a method for isolating oxacillin sodium salt from aqueous or aqueous-organic solution that involves its extraction into organic solvent by addition of mineral acid sodium salt followed by crystallization of oxacillin sodium salt from organic extract. Invention provides the increasing yield and quality of prepared crystalline oxacillin sodium salt.

EFFECT: improved isolating method.

3 ex

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RU 2 272 041 C1

Authors

Rabinovich Il'Ja Mikhajlovich

Pshenichnikov Vitalij Georgievich

Dates

2006-03-20—Published

2004-10-04—Filed