3-(4-Fluorophenyl)-2,1-benzisoxazole → 2-Amino-4'-fluorobenzophenone

참여 물질

반응 단계

To a suspension of (16) (42.6 g, 0.2 mol) in 750 ml of dry tetrahydrofuran (THF) and 20 ml of triethylamine is added 5% palladium on charcoal (6 g). The vigorously stirred suspension is flushed with hydrogen gas and stirred at room temperature under a hydrogen atmosphere until absorption of hydrogen ceases (approximately 90-90% of the molar amount; 8-10 hours). The catalyst is removed by filtration through a bed of celite, and the solvent is removed under reduced pressure. The product (16) is recrystallized from toluene.

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