Diisopropylethylamine → Hydrochloric Acid

Participants

Reaction Steps

To a solution of (R)-5-(4-(morpholine-4-carbonyl)phenylamino)-3-(piperidin-3-ylamino)-1,2,4-triazine-6-carboxamide HCl salt (47 mg, 0.10 mmol) in NMP (4 mL) was added (E)-4-(dimethylamino)but-2-enoic acid (50 mg, 0.30 mmol), DIEA (180 μL, 1.0 mmol) and then PyBOP (104 mg, 0.20 mmol). The mixture was stirred at RT for 2 h, quenched with TFA (0.2 mL), diluted with 2 mL water, and subjected to reverse phase preparative HPLC to isolate the title compound (80) as an HCl salt (32 mg). MS found for C26H35N9O4 as (M+H)+ 538.2, (M−H)− 536.3. UV: λ=246 nm.

Provenance & Evidence