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1 823 452

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A1

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Application

4950206/04, 1991-06-26

(22)

Actual filing date

1991-06-26

(45)

Published

1996-01-10

(72)

Inventor

Kurojan R.A.Mkrtchjan A.K.Markosjan A.I.Dzhagatspanjan I.A.Asrjan A.B.Sukasjan R.S.

3-OXOTHIAZOLIDINO-[3,2-A]-PIPERAZINES OR THEIR HYDROCHLORIDES SHOWING TRANQUILIZING ACTION Russian patent published in 1996 - IPC

Abstract SU 1823452 A1

FIELD: organic chemistry. SUBSTANCE: product: 3-oxothiazolidino-[3,2-a] -piperazines or their hydrochlorides of the formula where n = 0, R1= R2= H; n = 1, R1= R2= H; n = 1, R1= R2-CH3; n = 1, R1-CH3, R2-C4H9; n = 1, R1= CH3, R2= C5H11. Reagent 1: corresponding bromoaldehyde or bromoacetal. Reagent 2: ethylenediamine. Reagent 3: thioglycolic acid ethyl ester. Reaction conditions: in aqueous ethanol, at boiling point of reaction mixture. EFFECT: improved method of synthesis. 1 tbl, 2 dwg

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SU 1 823 452 A1

Authors

Kurojan R.A.

Mkrtchjan A.K.

Markosjan A.I.

Dzhagatspanjan I.A.

Asrjan A.B.

Sukasjan R.S.

Dates

1996-01-10—Published

1991-06-26—Filed

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