Morpholine → 3,6-dimorpholinopyridazine
Reaction equation
Cl[C:2]1[N:3]=[N:4][C:5](Cl)=[CH:6][CH:7]=1.[NH:9]1[CH2:14][CH2:13][O:12][CH2:11][CH2:10]1>>[O:12]1[CH2:13][CH2:14][N:9]([C:2]2[N:3]=[N:4][C:5]([N:9]3[CH2:14][CH2:13][O:12][CH2:11][CH2:10]3)=[CH:6][CH:7]=2)[CH2:10][CH2:11]1Participants
3
Procedure
3,6-Dichloropyridazine (25.0 g, 0.168 mol) was dissolved in morpholine (120 mol), for reflux condition for 24 hours. After cooling, the deposited crystal was filtered, to give 3,6-dimorpholinopyridazine in white crystal (33.7 g as a yield of 80%).
Workup
- temperaturefor reflux condition for 24 hours
- temperatureAfter cooling
- filtrationthe deposited crystal was filtered
Sources & evidence
- ORD record
- ord-18beba6e4c4d43e0b7398304e7938ac4
- Source dataset
- uspto-grants-2004_01
- Patent number
- US06676932B2
Reaction notes
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