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Application

4905876/04, 1991-01-28

(22)

Actual filing date

1991-01-28

(45)

Published

1995-07-09

(72)

Inventor

Praliev K.D.Ju V.K.Bajmoldina S.M.Fomicheva E.E.

(73)

Holder

Institut Khimicheskikh Nauk An Respubliki Kazakhstan

1-(3-BUTOXY PROPYL) -4-OXOPIPERIDINE AS INTERMEDIATE COMPOUND IN SYNTHESIS OF 1-(3-BUTOXY PROPYL) -4-PHENYL-4-PROPIONYLOXYPIPERIDINE HYDROCHLORIDE HAVING ANALGESIC ACTIVITY Russian patent published in 1995 - IPC

Abstract SU 1833618 A3

FIELD: organic chemistry. SUBSTANCE: 3-butoxy propyl-bis- (2methoxycarbonylethyl)amine is used as reagent 1, sodium methylate is used as reagent 2. Desired product is prepared by cyclization at 90-95 C. The process is carried out in toluene. EFFECT: improves quality of desired product. 2 tbl

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SU 1 833 618 A3

Authors

Praliev K.D.

Ju V.K.

Bajmoldina S.M.

Fomicheva E.E.

Dates

1995-07-09—Published

1991-01-28—Filed

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