The present invention discloses a novel syntheses of synephrine, its derivatives, and the salts of the foregoing, including their intermediates. One or more of the substituents of the nitrogen atom of the synephrine is/are modified to produce the derivatives. The synephrine derivatives and their salts are useful for treating animals for diseases, conditions, or disorders modulated by β
3
-adrenergic receptor. They are preferably used as fat breakdown agents and/or weight loss agents.
Process for the production of optically active beta-amino alcohols
申请人:——
公开号:US20040091981A1
公开(公告)日:2004-05-13
A process for producing an optical active &bgr;-amino alcohol, the method comprising the step of allowing at least one microorganism selected from the group consisting of microorganisms belonging to the genus Morganella and others, to act on an enantiomeric mixture of an &agr;-aminoketone or a salt thereof having the general formula (I):
1
to produce an optical active &bgr;-amino alcohol with the desired optical activity having the general formula (II) described below in a high yield as well as in a highly selective manner:
2
PROCESS FOR THE PRODUCTION OF OPTICALLY ACTIVE BETA-AMINO ALCOHOLS
申请人:Daiichi Fine Chemical Co., Ltd.
公开号:EP1273665A1
公开(公告)日:2003-01-08
A process for producing an optical active β-amino alcohol, the method comprising the step of allowing at least one microorganism selected from the group consisting of microorganisms belonging to the genus Morganella and others, to act on an enantiomeric mixture of an α-aminoketone or a salt thereof having the general formula (I):
to produce an optical active β-amino alcohol with the desired optical activity having the general formula (II) described below in a high yield as well as in a highly selective manner: