1-Bromo-2-Chloroethane → 2-(2-Chloroethyl)-4-ethyoxycarbonyl-6-(4-methoxyphenyl)-2H-pyridazin-3-one
Reaction equation
[CH2:1]([O:3][C:4]([C:6]1[C:7](=[O:20])[NH:8][N:9]=[C:10]([C:12]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=2)[CH:11]=1)=[O:5])[CH3:2].Br[CH2:22][CH2:23][Cl:24]>>[Cl:24][CH2:23][CH2:22][N:8]1[C:7](=[O:20])[C:6]([C:4]([O:3][CH2:1][CH3:2])=[O:5])=[CH:11][C:10]([C:12]2[CH:13]=[CH:14][C:15]([O:18][CH3:19])=[CH:16][CH:17]=2)=[N:9]1Participants
3
Procedure
Using 4-ethoxycarbonyl-6-(4-methoxyphenyl)-2H-pyridazin-3-one and 1-bromo-2-chloroethane as starting materials, the procedures of Example 1 were repeated likewise, whereby the title compound was obtained in a yield of 88.8%.
Sources & evidence
- ORD record
- ord-49ceb1f7b58e44dc8bd80cf4be74c8ac
- Source dataset
- uspto-grants-2002_06
- Patent number
- US06403586B1
Reaction notes
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