反应详情

By the procedure of Example 5, 0.4 g of the product of Example 4 was reacted with 0.46 g of phenyl(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamate and 0.25 g of DBU. The resulting suspension was acidified, without prior filtration, with concentrated hydrochloric acid and filtered. The residue was washed with excess water and suction-dried to yield 0.45 g of the subject compound, m.p. 182° to 184° C.

1. filtrationwithout prior filtration
2. filtrationwith concentrated hydrochloric acid and filtered
3. washThe residue was washed with excess water
4. customsuction-dried