NOVEL BENZAMIDE DERIVATIVES AND PROCESS FOR THE PREPARTION THEREOF
申请人:Yoo Moo-Hi
公开号:US20100105727A1
公开(公告)日:2010-04-29
The present invention provides a novel benzamide derivative represented by formula 1 and an isomer, a pharmaceutically acceptable salt or hydrate thereof, and a composition for activating a 5-HT4 receptor comprising the same, as an active ingredient. Benzamide derivatives of the present invention has superior affinity for 5-HT4 receptors, capability to reduce the gastric evacuation time, capability to alleviate ventricular tachycardia, ventricular fibrillation, torsades de pointes and QT prolongation, and low toxicity. Therefore, benzamide derivatives of the present invention are therapeutically effective for digestive system diseases.
Method for producing optically active 3-aminopiperidine or salt thereof
申请人:Kaneka Corporation
公开号:US08338142B2
公开(公告)日:2012-12-25
The present invention relates to a method for producing an optically active 3-aminopiperidine or salt thereof. In the method, a racemic nipecotamide is stereoselectively hydrolyzed to obtain an optically active nipecotamide and an optically active nipecotic acid in the presence of an enzyme source derived from an organism, and then the optically active nipecotamide is derived into an optically active aminopiperidine or salt thereof by aroylation, Hofmann rearrangement, deprotection of the amino group and further deprotection; or the optically active nipecotamide is derived into an optically active aminopiperidine or salt thereof by selective protection with BOC, Hofmann rearrangement and further deprotection. It is possible by the present invention to produce an optically active 3-aminopiperidine or salt thereof useful as a pharmaceutical intermediate from an inexpensive and easily available starting material by easy method applicable to industrial manufacturing.
An aryl-piperidine derivative of formula I, wherein the meaning of R
3
, X, Cz, and Cy is that specified in the description, for use as inhibitors of T cells.
US8338142B2
申请人:——
公开号:US8338142B2
公开(公告)日:2012-12-25
METHOD FOR PRODUCING OPTICALLY ACTIVE 3-AMINOPIPERIDINE OR SALT THEREOF
申请人:Mori Kohei
公开号:US20100105917A1
公开(公告)日:2010-04-29
The present invention relates to a method for producing an optically active 3-aminopiperidine or salt thereof. In the method, a racemic nipecotamide is stereoselectively hydrolyzed to obtain an optically active nipecotamide and an optically active nipecotic acid in the presence of an enzyme source derived from an organism, and then the optically active nipecotamide is derived into an optically active aminopiperidine or salt thereof by aroylation, Hofmann rearrangement, deprotection of the amino group and further deprotection; or the optically active nipecotamide is derived into an optically active aminopiperidine or salt thereof by selective protection with BOC, Hofmann rearrangement and further deprotection. It is possible by the present invention to produce an optically active 3-aminopiperidine or salt thereof useful as a pharmaceutical intermediate from an inexpensive and easily available starting material by easy method applicable to industrial manufacturing.