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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Med+Chem
2016 ; 59
(3
): 1078-101
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Discovery of Potent, Selective, and Orally Bioavailable Small-Molecule Modulators
of the Mediator Complex-Associated Kinases CDK8 and CDK19
#MMPMID26796641
Mallinger A
; Schiemann K
; Rink C
; Stieber F
; Calderini M
; Crumpler S
; Stubbs M
; Adeniji-Popoola O
; Poeschke O
; Busch M
; Czodrowski P
; Musil D
; Schwarz D
; Ortiz-Ruiz MJ
; Schneider R
; Thai C
; Valenti M
; de Haven Brandon A
; Burke R
; Workman P
; Dale T
; Wienke D
; Clarke PA
; Esdar C
; Raynaud FI
; Eccles SA
; Rohdich F
; Blagg J
J Med Chem
2016[Feb]; 59
(3
): 1078-101
PMID26796641
show ga
The Mediator complex-associated cyclin-dependent kinase CDK8 has been implicated
in human disease, particularly in colorectal cancer where it has been reported as
a putative oncogene. Here we report the discovery of 109 (CCT251921), a potent,
selective, and orally bioavailable inhibitor of CDK8 with equipotent affinity for
CDK19. We describe a structure-based design approach leading to the discovery of
a 3,4,5-trisubstituted-2-aminopyridine series and present the application of
physicochemical property analyses to successfully reduce in vivo metabolic
clearance, minimize transporter-mediated biliary elimination while maintaining
acceptable aqueous solubility. Compound 109 affords the optimal compromise of in
vitro biochemical, pharmacokinetic, and physicochemical properties and is
suitable for progression to animal models of cancer.