Sulfuric Acid → HCID 57875974, compound

Participants

Reaction Steps

A mixture of Methyl 4-(1-(2-(6-methylpyridin-3-yl)ethyl)hydrazinyl)benzoate hydrochloride (0.15 gm, 0.447 mol), piperidone (0.13 gm, 1.34 mol) and 7% sulfuric acid in dioxane (5 mL) was heated at 100 deg C. for 2 h. Reaction mass was cooled and concentrated under reduced pressure to give crude 2,3,4,5-tetrahydro-5-(2-(6-methylpyridin-3-yl)ethyl)-1H-pyrido[4,3-b]indole-8-carboxylic acid (LCMS; 44% of desired peak) as a brown colored oil which is submitted for purification by preparative HPLC.

Provenance & Evidence