反应详情

A solution of 2-(4-tert-butylphenyl)-3-hydroxy-4-methyl-carbonylthiophene (27.8 mg, 0.10 mmol), 4-(tert-butyl-dimethylsilanyloxymethyl)-3-nitrobenzoic acid hydrazide (34.9 mg, 0.11 mmol) and p-toluenesulfonic acid monohydrate (5.7 mg, 0.03 mmol) in isopropanol (1.0 mL) was stirred at 95° C. for 7 hours. The precipitated solid was collected by filtration and dried by means of a vacuum pump to give the desired product as yellow solid (34.8 mg, yield 73%).

1. filtrationThe precipitated solid was collected by filtration
2. customdried by means of a vacuum pump