Toluene → 3-(Benzo[b]thiophen-2-ylmethyl)-6-bromo-4-chloro-2-methoxyquinoline

Beteiligte Stoffe

Reaktionsschritte

A heterogeneous mixture of 3-(benzo[b]thiophen-2-ylmethyl)-6-bromo-2,4-dichloroquinoline (7.5 g, 17.73 mmol, Intermediate 51: step a), sodium methoxide (4.79 g, 88.62 mmol), and toluene (25 mL) was heated at 110° C. in a sealed tube for 6 hours. The resulting black tar was diluted with DCM, then filtered through Celite®, rinsing with dichloromethane. The filtrate was concentrated and the crude product purified by chromatography (heptanes/DCM, gradient) to provide the title compound as a tan solid.

Herkunft & Nachweise