Binap, (A+-)- → 4-(5-cyanothiazol-2-ylamino)-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamide

Participants

Reaction Conditions

Reaction Steps

To a mixture of 4-amino-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamide (example 1J, 60 mg, 0.177 mmol), 2-chlorothiazole-5-carbonitrile (38.5 mg, 0.266 mmol), Pd2(dba)3 (24.4 mg, 0.027 mmol), BINAP (49.7 mg, 0.080 mmol) and sodium tert-butoxide (27.3 mg, 0.284 mmol) was added DME (1 ml). The mixture was purged with argon gas for 5 min and heated to 85° C. for 3 h. The reaction mixture showed ˜60% conversion by HPLC and was filtered through a plug of Celite and concentrated. The crude product was purified by preparative HPLC to afford 4-(5-cyanothiazol-2-ylamino)-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamide as a off-white solid.

Provenance & Evidence