反应详情

温度

85 °C

A mixture of 1,3-dihydro-5-fluoro-4-iodo-2H-indol-2-one (1.40 g, 5.05 mmol) (see Starting Material 10), and excess 2-pyrrolecarboxyaldehyde (0.60 g, 6.3 mmol) (Aldrich) in 1% piperidine in 2-propanol (20 mL) was heated at 85° C. for 2.25 h. Hot water (20 mL) was added. On cooling, the crystallized product was filtered off, washed with aqueous 2-propanol and dried. (Yield 1.50 g, 84%).

1. temperatureOn cooling
2. filtrationthe crystallized product was filtered off
3. washwashed with aqueous 2-propanol
4. customdried