Cesium carbonate → 3-(7-bromo-3-oxo-2H-6-azaisoquinolin-2-ylmethyl)benzonitrile

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Reaction Steps

The alkylation of 7-bromo-3-hydroxy-6-azaisoquinoline (1.00 g, 4.40 mmol) using 3-cyanobenzyl bromide (1.31 g, 6.69 mmol) and cesium carbonate (2.18 g, 6.69 mmol) in dimethylformamide is carried out as previously described in Example 1, Step (1). Purification on a silica gel column eluted with hexanes/ethyl acetate 3:1, followed by trituration with hexanes/ethyl acetate 4:1 will afford the desired product.

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