反应详情

The product of Example 20A (1.3 g, 3.7 mmol), 5-chloro-2-methoxybenzoic acid (0.70 g, 3.7 mmol), thionyl chloride (10 mL) and triethylamine (1.6 mL, 11 mmol) in THF (25 mL) were processed as described in Example 18B and Example 18C to provide the title compound (0.82 g, 1.9 mmol, 50% yield). MS (DCI/NH3) m/z 437 (M+H)+.