反应详情

温度

200 °C

A mixture of phthalic anhydride (500 g) and β-alanine (267 g) was fused by heating at 200° C. for 15 minutes, and poured into water (1500 ml). The formed precipitate was collected by filtration, and recrystallized from ethanol to give phthaloyl-β-alanine (hereinafter referred to as pht-βAla), yield 537 g, 81.6%.

1. filtrationThe formed precipitate was collected by filtration
2. customrecrystallized from ethanol