Hydrochloric Acid → HCID 68507565, compound

Participants

Reaction Steps

A solution of 1-(1-tert-butoxycarbonyl-piperidin-4-yl)-3-oxo-1,2,3,4-tetrahydro-quinoxaline-6-carboxylic acid allyl ester (1.40 g, 3.37 mmol) in dioxane (20 mL) and 4 M HCl in dioxane (20 mL) was stirred at rt for 2 h. The solvent was removed under reduced pressure and the crude product used in the consecutive step without further purification assuming quantitative deprotection and formation of the dihydrochloride salt. MS (ISP): 316.1 [M+H]+.

Provenance & Evidence