Hydrochloric Acid → (+/-)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one hydrochloric acid salt

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Reaction Steps

To (±)-N-(t-butoxycarbonyl)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one (20 mg, 0.06 mmol) was added concentrated hydrochloric acid (1 mL). After 15 min, the resulting solution was concentrated, diluted with water, and lypholized to give (±)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one hydrochloric acid salt as an off-white solid (15 mg, 91%). MS (ESI) 253.1, 255.1 (M−Cl)

Provenance & Evidence