Levo and dextro dropropizine having antitussive activity
申请人:Dompe' Farmaceutici S.p.A.
公开号:US04699911A1
公开(公告)日:1987-10-13
The optical isomers of 3-(4-phenyl-1-piperazinyl)-1,2-propanediol, a process for the stereo-selective preparation and pharmaceutical composition containing the same as active principles are described.
[EN] SALTS OF 2-(3-BENZOYLPHENYL)PROPIONIC ACID WITH ACHIRAL AND CHIRAL ORGANIC BASES AND PHARMACEUTICAL COMPOSITIONS THEREOF<br/>[FR] SELS D'ACIDE 2-(3-BENZOYLPHENYL)PROPIONIQUE ET DE BASES ORGANIQUES CHIRALES OU ACHIRALES, ET COMPOSITIONS PHARMACEUTIQUES LES CONTENANT
申请人:DOMPE'FARMACEUTICI SPA
公开号:WO1994020449A1
公开(公告)日:1994-09-15
(EN) The salts of S(+) 2-(3-benzoylphenyl)propionic acid and of R(-) 2-(3-benzoylphenyl)propionic acid with an achiral, organic base such as tris-(hydroxymethyl)aminomethane or a chiral organic base such as D-lysine, L-lysine, L-arginine, (R) 3-(4-phenylpiperazin-1-yl)propane-1,2-diol and (S) 3-(4-phenylpiperazin-1-yl)propane-1,2-diol, the process for their preparation and the corresponding pharmaceutical compositions containing said salts are described.(FR) Sels d'acide 2-(3-benzoylphényl)propionique S(+) et d'acide 2-(3-benzoylphényl)propionique R(-), avec une base organique chirale ou achirale telle que le tris-(hydroxyméthyl)aminométhane, ou avec une base organique chirale telle que la D-lysine, la L-lysine, la L-arginine, le 3-(4-phénylpipérazin-1-yl)propane-1,2-diol(R) et le 3-(4-phénylpipérazyn-1-yl)propane-1,2-diol(S); leur procédé de préparation; et compositions pharmaceutiques correspondantes contenant ces sels.
申请人:DOTT. FORMENTI S.P.A. INDUSTRIA
CHIMICA E FARMACEUTICA
公开号:EP0348713A1
公开(公告)日:1990-01-03
(R,S)-3-(4-phenyl-1-piperazinyl)-1,2-propanediol salts with polycarboxylic organic acids such as fumaric, maleic, succinic, tartaric, citric acids and the pharmaceutical compositions containing them have improved pharmaceutical characteristics.
A process for the preparation of enantiomers of dropropizine
申请人:BIDACHEM S.p.A.
公开号:EP0575776A2
公开(公告)日:1993-12-29
The preparation of highly optically pure (S)-dropropizine and (R)-dropropizine is carried out by reacting 1-phenyl-piperazine with corresponding (R)-3-chloro-1,2-propanediol and (S)-3-chloro-1,2-propanediol.
[EN] 3-(PIPERAZIN-1-YL)-PROPANE-1,2-DIOL N-OXYDES AND N,N'-DIOXIDES
申请人:DOMPÉ FARMACEUTICI S.P.A.
公开号:WO1993016056A1
公开(公告)日:1993-08-19
(EN) 3-(4-Aryl-piperazin-1-yl)-propane-1,2-diol N-oxides having pharmaceutical interest, particularly as antitussive agents.(FR) La présente invention se rapporte à des N-oxydes de 3-(4-aryl-pipérazine-1-yl)-propane-1,2-diol ayant un intérêt pharmaceutique, notamment comme agents antitussifs.
(EN) 3-(4-Aryl-piperazin-1-yl)-propane-1,2-diol N-oxides having pharmaceutical interest, particularly as antitussive agents.
(_FR) Les N-oxydes de 3-(4-aryl-pipérazine-1-yl)-propane-1,2-diol, ayant un intérêt pharmaceutique, sont l objet de cette invention, notamment comme agents antitussifs.