4-(Bromomethyl)benzonitrile → HCID 68644168, compound

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Reaction Steps

The coupling of (4-cyano-phenyl)-(5-hydroxy-4-hydroxymethyl-6-methyl-pyridin-3-ylmethyl)-carbamic acid tert-butyl ester (105) (137.0 g, 0.37 mole) and α-bromo-p-tolunitrile (72.7 g, 370 mmol), as described in Example 1, gave [5-(4-cyano-benzyloxy)-4-hydroxymethyl-6-methyl-pyridin-3-ylmethyl]-(4-cyano-phenyl)-carbamic acid tert-butyl ester (124) (126.0 g, 70% yield) as a colorless solid.

Provenance & Evidence