Potassium Phosphate, Tribasic → HCID 69414650, compound

Participants

Reaction Steps

Magnesium turnings (87 mg, 3.6 mmol) were added to a solution of (R)-6-Ethyl-4-methyl-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (82 mg, 0.36 mmol) in methanol (4 mL). After hydrogen gas started to evolve, the reaction mixture was kept at 10–20° C. and stirred for 2 h to dissolve the magnesium completely. Then the reaction mixture was poured onto 3 mL ice-cold 1 M aq. HCl, neutralized with 1 M aq. potassium phosphate solution (pH 6.85), and extracted with ethyl acetate. The organic layer was washed with brine, dried (MgSO4), and evaporated to yield the title compound (80 mg, 97%). White solid. ISP-MS: m/e=231.2 ([M+H]+).

Provenance & Evidence