Potassium Phosphate, Tribasic → 6,7-Difluoro-2-(4-methylpyridin-3-yl)-3,4-dihydroisoquinolin-1(2H)-one

Participants

Reaction Steps

Using analogous conditions as described in example 1 for the preparation of Compound 1A, 6,7-difluoro-3, 4-dihydroisoquinolin-1(2H)-one (I-49d: 300 mg, 1.6393 mmol) was reacted with 3-iodo-4-methyl-pyridine (359 mg, 1.6393 mmol), 1, 4-dioxane (15 mL), copper iodide (31.2 mg, 0.1639 mmol), trans-N,N′-dimethyl-cyclohexyl-1, 2-diamine (77.3 mL, 0.4917 mmol) and potassium phosphate (868.8 mg, 4.0982 mmol) to afford the crude product. Purification by column chromatography on silica gel (80% ethylacetate in hexane) afforded 110 mg of the product (24% yield).

Provenance & Evidence