Discovery and Biological Characterization of (2R,4S)-1′-Acetyl-N-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethyl}-2-(4-fluoro-2-methylphenyl)-N-methyl-4,4′-bipiperidine-1-carboxamide as a New Potent and Selective Neurokinin 1 (NK1) Receptor Antagonist Clinical Candidate
摘要:
A large body of compelling preclinical evidence supports the clinical use of neurokinin (NK) receptor antagonists in a plethora of CNS and non-CNS therapeutic areas. The significant investment made in this area over the past 2 decades culminated with the observation that NK1 receptor antagonists elicited clinical efficacy in major depression disorders. In addition, aprepitant (Merck) was launched as a new drug able to prevent chemotherapy-induced nausea and vomiting (CINV). After the discovery by GlaxoSmithKline of vestipitant, a wide drug discovery program was launched aimed at identifying additional clinical candidates. New compounds were designed to maximize affinity at the NK1 receptor binding site while retaining suitable physicochemical characteristics to ensure excellent pharmacokinetic and pharmacodynamic properties in vivo. Herein we describe the discovery process of a new NK1 receptor antagonist (casopitant) selected as clinical candidate and progressed into clinical studies to treat major depression disorders.
The present invention provides a novel piperidine derivative and a tachykinin receptor antagonist containing same, as well as a compound represented by the formula:
wherein R
1
is carbamoylmethyl, methylsulfonylethylcarbonyl and the like; R
2
is methyl or cyclopropyl; R
3
is a hydrogen atom or methyl; R
4
is a chlorine atom or trifluoromethyl; R
5
is a chlorine atom or trifluoromethyl; and a group represented by the formula:
is a group represented by the formula:
wherein R
6
is a hydrogen atom, methyl, ethyl or isopropyl; R
7
is a hydrogen atom, methyl or a chlorine atom; and R
8
is a hydrogen atom, a fluorine atom, a chlorine atom or methyl; or 3-methylthiophen-2-yl, and a salt thereof.
Formula (1) wherein R represents a halogen atom or a C
1-4
alkyl group; R
1
represents a C
1-4
alkyl group; R
2
represents hydrogen or a C
1-4
alkyl group; R
3
represents hydrogen, or a C
1-4
alkyl group; R
4
represents a trifluorometyl group; R
5
represents hydrogen, a C
1-4
alkyl group or C(0)R
6
;
R
6? represents C
1-4
alkyl, C
3-7
cycloalkyl, NH(C
1-4
alkyl) or N(C1-4alkyl)
2
; m is zero or an integer from 1 to 3; n is an integer from 1 to 3 and pharmaceutically acceptable salts and solvates thereof; to processes for their preparation and their use in the treatment of conditions mediated bytachykinins.
[EN] N-BENZYL-3-PHENYL-3-HETEROCYCLYL-PROPIONAMIDE COMPOUNDS AS TACHYKININ AND/ OR SEROTONIN REUPTAKE INHIBITORS<br/>[FR] COMPOSES DE N-BENZYL-3-PHENYL-3-HETEROCYCLYL-PROPIONAMIDE EN TANT QU'INHIBITEURS DE RECAPTAGE DE LA TACHYKININE ET/OU DE LA SEROTONINE
申请人:GLAXO GROUP LTD
公开号:WO2004005255A1
公开(公告)日:2004-01-15
The present invention relates to heterocyclic derivatives of formula (1) wherein R1 represents a 5 or 6 membered heteroaryl group, in which the 5-membered heteroaryl group contains at least one heteroatom selected from oxygen, sulphur or nitrogen and the 6-membered heteroaryl group contains from 1 to 3 nitrogen atoms, or R1 represents a 4,5 or 6 membered heterocyclic group, wherein saids 5 or 6 membered heteroaryl or the 4,5 or 6 membered heterocyclic group may optionally be substituted by one to three substituents, which may be the same or different, selected from (CH2)pR6, wherein p is zero or an integer from 1 to 4 and wherein R and R2- R6 are each as defined in the description and pharmaceutically acceptable salts and solvates thereof; process for their preparation and their use in the treatment of conditions mediated by tachykinins and/or by selective inhibition of serotonin reuptake transporter protein.
Discovery Process and Pharmacological Characterization of 2-(<i>S</i>)-(4-Fluoro-2-methylphenyl)piperazine-1-carboxylic Acid [1-(<i>R</i>)-(3,5-Bis-trifluoromethylphenyl)ethyl]methylamide (Vestipitant) as a Potent, Selective, and Orally Active NK<sub>1</sub> Receptor Antagonist
作者:Romano Di Fabio、Cristiana Griffante、Giuseppe Alvaro、Giorgio Pentassuglia、Domenica A. Pizzi、Daniele Donati、Tino Rossi、Giuseppe Guercio、Mario Mattioli、Zadeo Cimarosti、Carla Marchioro、Stefano Provera、Laura Zonzini、Dino Montanari、Sergio Melotto、Philip A. Gerrard、David G. Trist、Emiliangelo Ratti、Mauro Corsi
DOI:10.1021/jm900023b
日期:2009.5.28
NK1 receptorantagonists a new series of suitably substituted C-phenylpiperazine derivatives was identified by an appropriate chemical exploration of related N-phenylpiperazine analogues, with the specific aim to maximize their in vitro affinity and optimize in parallel their pharmacokinetic profile. Among the compounds synthesized, 2-(S)-(4-fluoro-2-methylphenyl)piperazine-1-carboxylic acid [1-(R)-(3
[EN] HETEROTRICYCLIC AMIDE DERIVATIVES AS NEUROKININ-l (NKl) RECEPTOR LIGANDS<br/>[FR] DERIVES D'AMIDE HETEROTRICYCLIQUES EN TANT QUE LIGANDS DU RECEPTEUR DE NEUROKININE-1 (NK1)
申请人:UNIV SIENA
公开号:WO2007074491A1
公开(公告)日:2007-07-05
(EN) The present invention relates to compounds of formula 1, method of preparation and uses thereof.(FR) La présente invention concerne des composés de formule 1, ainsi que leur procédé de fabrication et leurs utilisations.