Process for the preparation of (r)- or (s)-aminocarnitine inner salt, the salts and derivatives thereof
申请人:——
公开号:US20040171875A1
公开(公告)日:2004-09-02
A process for the production of (R)— or (S)-aminocarnitine starting respectively from (R)— or (S)-nitryloxycarnitine, through the formation and hydrogenation of the azidocarnitine intermediate with the same absolute configuration is described. (R)— aminocarnitine inner salt is obtained after purification, which is then converted into non-deliquescent salts. A further subject of the present invention is a process for the preparation of derivatives of (R)— and (S)-aminocarnitine, in particular acylated or ureic derivatives, having known pharmacological properties, starting from (R)— and (S)-aminocarnitine salts, releasing the aminic function in situ.
US6953865B2
申请人:——
公开号:US6953865B2
公开(公告)日:2005-10-11
[EN] PROCESS FOR THE PREPARATION OF (R)- OR (S)-AMINOCARNITINE INNER SALT, THE SALTS AND DERIVATIVES THEREOF<br/>[FR] PROCEDE SERVANT A PREPARER LE SEL INTERNE, LES SELS ET DERIVES DE (R)- OU (S)-AMINOCARNITINE
申请人:SIGMA TAU IND FARMACEUTI
公开号:WO2003010129A1
公开(公告)日:2003-02-06
A process for the production of (R)- or (S)-aminocarnitine starting respectively from (R)- or (S)-nitryloxycarnitine, through the formation and hydrogenation of the azidocarnitine intermediate with the same absolute configuration is described. (R)-aminocarnitine inner salt is obtained after purification, which is then converted into non-deliquescent salts. A further subject of the present invention is a process for the preparation of derivatives of (R)- and (S)-aminocarnitine, in particular acylated or ureic derivatives, having known pharmacological properties, starting from (R)- and (S)-aminocarnitine salts, releasing the aminic function in situ.
Chemistry of emeriamine and its analogs and their inhibitory activity in long-chain fatty acid oxidation
Emericedins A, B, and C, new betaines having inhibitory activity of long chain fatty acid oxidation, were isolated from the culture broth of Emericella quadrilineata IFO 5859. Their structures were determined by spectroscopic analyses as (R)-3-(acylamino)-4-(trimethylammonio)butyrate (acyl: A, acetyl; B, propionyl; C, n-butyryl). Structural confirmation and assignment of absoluteconfiguration were made by chemical