Lithium diisopropylamide → Benzonitrile, 4-[[5-[4-(diMethylaMino)-1-piperidinyl]-3H-iMidazo[4,5-b]pyridin-2-yl]carbonyl]-2-(1,3,5-triMethyl-1H-pyrazol-4-yl)-

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Reaction Steps

Following General procedure P (LDA metallation, ketone formation and in situ deprotection) using 3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-terephthalamic acid methyl ester and [1-(3-dimethylaminomethyl-3H-imidazo[4,5-b]pyridin-5-yl)-piperidin-4-yl]-dimethyl-amine to give 4-[5-(4-dimethylamino-piperidin-1-yl)-3H-imidazo[4,5-b]pyridine-2-carbonyl]-2-(1,3,5-trimethyl-1H-pyrazol-4-yl)-benzonitrile. (84%). HRMS m/z 501.2721 (M+H)+.

Provenance & Evidence