2,3-Dichloro-5,6-dicyano-1,4-benzoquinone → HCID 178452509, compound

Participants

Reaction Steps

(1R,3S,4S)-tert-butyl-3-(7-bromo-4,5-dihydro-1H-naphtho[1,2-d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate (1.25 g, 2.81 mmol) was diluted in benzene (50 mL). DDQ (0.7 g, 3.1 mmol) was added and the solution was heated to reflux for 1.5 h. After cooling, the reaction mixture was concentrated and the residue was purified by silica gel chromatography to yield product (1.1 g).

Provenance & Evidence