HCID 44620997, compound → HCID 67072792, compound

Participants

Reaction Steps

tert-Butyl 4-(3-carbamoyl-1-(6-cyanopyridin-3-yl)-6-oxo-1,6-dihydropyridazin-4-yloxy)piperidine-1-carboxylate was prepared in 77% yield according to procedures described in Example 31 (Step A) substituting methyl 441-(tert-butoxycarbonyl)piperidin-4-yloxy)-1-(4-(methylsulfonyl)phenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate for methyl 4-(1-(tert-butoxycarbonyl)piperidin-4-yloxy)-1-(6-cyanopyridin-3-yl)-6-oxo-1,6-dihydropyridazine-3-carboxylate (example 30). MS (ESI) 441 (M+H).

Provenance & Evidence