Hydrochloric Acid → HCID 86672702, compound

Participants

Reaction Conditions

Reaction Steps

To methyl 1-(2,2-dimethoxyethyl)-5-methoxy-1H-indazole-7-carboxylate (161 mg, 0.5 mmol) from Step G above in 1,4-dioxane (3 ml) was added 2N hydrogen chloride (3 ml) and the reaction mixture was heated to 75° C. for 2 h. The solvent was concentrated in vacuo to afford methyl 5-methoxy-1-(2-oxoethyl)-1H-indazole-7-carboxylate: MS (ESI+) m/z 249 (M+H).

Provenance & Evidence