反应详情

5 g of 2-chloro-4-(1-hydroxyl-2,2,6,6-tetramethylpiperidin-4-oxy)-6-(2,2,6,6-tetramethylpiperidin-1-yl)-1,3,5-triazine (product from Example 36) are stirred under reflux with 50 ml of morpholine for 3 hours. After cooling to 20°, 200 ml of water are added and the precipitate is filtered off. After recrystallization from petroleum ether, the above product is obtained as reddish crystals which melt at 153°-157°.

1. temperatureAfter cooling to 20°
2. filtrationthe precipitate is filtered off
3. customAfter recrystallization from petroleum ether
4. customthe above product is obtained as reddish crystals which
5. custommelt at 153°-157°