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2 024 548

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C1

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IPC

(21) (22)

Application

4916057/04, 1991-03-04

(22)

Actual filing date

1991-03-04

(45)

Published

1994-12-15

(72)

Inventor

Baltina L.A.Davydova V.A.Zarudij F.A.Lazareva D.N.Tolstikov G.A.

(73)

Holder

Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran

β-GLYCYRRHIZIC ACID GLYCOPEPTIDE WITH L-GLUTAMIC ACID DIBUTYL ETHER SHOWING ANTIINFLAMMATORY AND ANTIULCER ACTIVITY Russian patent published in 1994 - IPC

Abstract RU 2024548 C1

FIELD: organic chemistry. SUBSTANCE: product - 3-O-[2-O- (N-b-D-glucopyranosyluranoyl -L-glutamic acid dibutyl ether]-N- b-D-glucopyranosyluranoyl -L-glutamic acid dibutyl ether-(3b,20b)-11,30-dioxo-30-(N-L-glutamic acid dibutyl ether)-30-norolean-12-en. Yield is 80%, value [α]2D

0 = 30 degrees (c = 0.02 in methanol), empirical formula is C81H131N3O5, value LD50 = 650 mg/kg, intraperitoneally. EFFECT: improved method of synthesis.

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RU 2 024 548 C1

Authors

Baltina L.A.

Davydova V.A.

Zarudij F.A.

Lazareva D.N.

Tolstikov G.A.

Dates

1994-12-15—Published

1991-03-04—Filed

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