Mitotic kinesin inhibitors and methods of use thereof

Patent metadata

Field	Value
Publication number	US-10017482-B2
Application number	US-201615357613-A
Country	US
Kind code	B2
Filing date	Nov 21, 2016
Priority date	Oct 19, 2004
Publication date	Jul 10, 2018
Grant date	Jul 10, 2018

Abstract

This invention relates to inhibitors of mitotic kinesins, particularly KSP, and methods for producing these inhibitors.

First claim

What is claimed is:

1. A compound of the Formula:

and resolved enantiomers, diastereomers, racemic mixtures and pharmaceutically acceptable salts thereof, wherein:
X is S,
R is Z—NR 2 R 3 ;
R 1 is —NR 4 OR 5 ;
Ar 1 is phenyl and Ar 2 is imidazolyl, wherein said phenyl and imidazolyl are optionally substituted with one or more groups independently selected from F, Cl, Br, I, cyano, nitro, alkyl, alkenyl, alkynyl, saturated or partially unsaturated cycloalkyl, saturated or partially unsaturated heteorcycloalkyl, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, OR a , —O(C═O)OR d , —OP(═O)(OR a )(OR a ), NR a R b , —NR b SO 2 R d , —SO 2 NR a R b , SR 6 , SOR 6 , SO 2 R 6 , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —OCH 2 C(═O)OR a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b and —NR c C(═O)NR a R b ;
R 2 is hydrogen, —C(═O)R 4 , —SO 2 R 6 , alkyl, alkenyl, alkynyl, saturated or partially unsaturated cycloalkyl, a natural or unnatural amino acid, or a polypeptide of two or more amino acids independently selected from natural and unnatural amino acids, wherein said alkyl, alkenyl, alkynyl, and cycloalkyl are optionally substituted with one or more groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR a R b , —NR c (═O)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl;
R 3 is hydrogen, —C(═O)R 4 , alkyl, alkenyl, alkynyl, or saturated or partially unsaturated cycloalkyl, wherein said alkyl, alkenyl, alkynyl, and cycloalkyl are optionally substituted with one or more groups independently selected from oxo (with the proviso that it is not substituted on said aryl or heteroaryl), halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —OP(═O)(OR a ) 2 , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR b , —NR c C(═O)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl,
or R 2 and R 3 together with the nitrogen atom to which they are attached form a saturated or partially unsaturated heterocyclic ring which may include 1 to 3 additional heteroatoms, in addition to the nitrogen atom to which said R 2 and R 3 are attached, selected from N, O and S, wherein said heterocyclic ring is optionally substituted with one or more groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR a R b , —NR c C(O)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl;
R 4 and R 5 are independently H, trifluoromethyl, difluoromethyl, fluoromethyl, alkyl, alkenyl, alkynyl, saturated or partially unsaturated cycloalkyl, saturated or partially unsaturated heterocycloalkyl, aryl or heteroaryl, wherein said alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl and heteroaryl are optionally substituted with one or more groups independently selected from oxo (with the proviso that it is not substituted on said aryl or heteroaryl), halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR a R b , —NR c C(═O)NR a R b , —NR c C(NCN)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl,
or R 4 and R 5 together with the atoms to which they are attached form a saturated or partially unsaturated heterocyclic ring which may include 1 to 3 additional heteroatoms, in addition to the heteroatoms to which said R 4 and R 5 are attached, selected from N, O and S, wherein said heterocyclic ring is optionally substituted with one or more groups independently selected from oxo, halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR a R b , —NR c C(═O)NR a R b , —NR c C(NCN)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl;
R 6 is alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, saturated or partially unsaturated cycloalkyl, saturated or partially unsaturated heterocycloalkyl, aryl or heteroaryl, wherein said alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, cycloalkyl, heterocycloalkyl, aryl and heteroaryl are optionally substituted with one or more groups independently selected from oxo (with the proviso that it is not substituted on said aryl or heteroaryl), halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR d , —NR b SO 2 R d , —SO 2 NR a R b , —C(═O)R a , —C(═O)OR a , —OC(═O)R a , —NR b C(═O)OR d , —NR b C(═O)R a , —C(═O)NR a R b , —NR a R b , —NR c C(═O)NR a R b , —NR c C(NCN)NR a R b , —OR a , alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl;
R a is hydrogen, trifluoromethyl, alkyl, alkenyl, alkynyl, saturated or partially unsaturated cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl or saturated or partially unsaturated heterocyclylalkyl, wherein said alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl and heterocyclylalkyl are optionally substituted with one or more groups independently selected from oxo (with the proviso that it is not substituted on said aryl or heteroaryl), halogen, cyano, nitro, trifluoromethyl, difluoromethyl, fluoromethyl, fluoromethoxy, difluoromethoxy, trifluoromethoxy, azido, —O(C═O)OR h , —NR f SO 2 R h , —SO 2 NR e R f , —C(═O)R e , —C(═O)OR e , —OC(═O)R e , —NR f C(═O)OR h , —NR f C(═O)R e , —C(═O)NR e R f , —NR e R f , —NR g C(═O)NR e R f , —NR c C(NCN)NR e R f , —OR e , alkyl, alkenyl, alkynyl, saturated or partially unsaturated cycloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, saturated or partially unsaturated heterocycloalkyl and heterocyclylalkyl;
R b , R c , R f and R g are independently hydrogen or alkyl,
or R a and R b together with the atom to which they are attached form a 4 to 10 membered saturated or partially unsaturated heterocyclic ring which may include 1 to 3 additional heteroatoms, in addition to the nitrogen atom to which said R a and R b are attached, selected from N, O and S;
R d and R h are independently trifluoromethyl, alkyl, saturated or partially unsaturated cycloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, saturated or partially unsaturated heterocycloalkyl or heterocyclylalkyl;
R e is hydrogen, trifluoromethyl, al

Assignees

• Array Biopharma Inc

Inventors

• Hans Jeremy
• Wallace Eli M
• Zhao Qian
• Lyssikatos Joseph P
• Aicher Thomas D
• Laird Ellen
• Robinson John
• Allen Shelley

Classifications

• A61P37/06

  Immunosuppressants, e.g. drugs for graft rejection · CPC title

• A61P43/00

  Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

• A61P9/04

  Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure · CPC title

• A61P37/02

  Immunomodulators · CPC title

• A61P35/00

  Antineoplastic agents · CPC title