Hydrochloric Acid → HCID 131720493, compound

Participants

Reaction Steps

A suspension of (S)-9-chloro-5-[p-tert-butoxycarbonylaminomethyl-o-(ethoxycarbonylmethoxy) phenylcarbamoylmethyl]-6,7-dihydro-1H, 5H-pyrido[1,2,3-de]quinoxaline-2,3-dione (150 mg) in ethyl acetate (4 mL) was added 4N hydrogen chloride in 1,4-dioxane (2 mL). The mixture was stirred for 3 h at room temperature, and concentrated in vacuo to give 135 mg of the title compound.

Provenance & Evidence