反应详情

4.1 g (15.0 mmol) of 5-methyl-6-(2-methylthiobenzoxazol-5-yl)-4,5-dihydro-3(2H)-pyridazinone and 15 ml of 1,4-diaminobutane are heated to 60° C. for 45 minutes, then stirred into 200 ml of water and left to crystallise at ambient temperature. After about 30 minutes the product is suction filtered, washed with about 50 ml of water and dried at 60° C. in a circulating air dryer.

1. waitleft
2. customto crystallise at ambient temperature
3. filtrationsuction filtered
4. washwashed with about 50 ml of water
5. customdried at 60° C. in a circulating air dryer