Abstract
The optimization of the dihydronaphthyl[3,4-a]pyrrolo[3,4-c]carbazole-5-one R2 and R12 positions led to the identification of the first MLK1 and MLK3 subtype-selective inhibitors within the MLK family. Compounds 14 (CEP-5104) and 16 (CEP-6331) displayed good potency for MLK1 and MLK3 inhibition with a greater than 30- to 100-fold selectivity for related family members MLK2 and DLK. Compounds 14 and 16 were orally active in vivo in a mouse MPTP biochemical efficacy model that was comparable to the first-generation pan-MLK inhibitor 1 (CEP-1347). The MLK1 structure-activity relationships were supported by the first-reported X-ray crystal structure of MLK1 bound with 16.
Original language | English (US) |
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Pages (from-to) | 5680-5689 |
Number of pages | 10 |
Journal | Journal of Medicinal Chemistry |
Volume | 51 |
Issue number | 18 |
DOIs | |
State | Published - Sep 25 2008 |
ASJC Scopus subject areas
- Molecular Medicine
- Drug Discovery