Ethyl chloroformate → 4-(-Chlorophenoxy)-2-ethoxycarbonyl-1,2,3,4-tetrahydroisoquinoline
Reaction equation
[ClH:1].Cl[C:3]1[CH:20]=[CH:19][C:6]([O:7][CH:8]2[C:17]3[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=3)[CH2:11][N:10](C)[CH2:9]2)=[CH:5][CH:4]=1.Cl[C:22]([O:24][CH2:25][CH3:26])=[O:23].C([O-])([O-])=O.[K+].[K+]>C1C=CC=CC=1>[Cl:1][C:19]1[CH:20]=[CH:3][CH:4]=[CH:5][C:6]=1[O:7][CH:8]1[C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[CH2:11][N:10]([C:22]([O:24][CH2:25][CH3:26])=[O:23])[CH2:9]1Participants
5
Procedure
A mixture of 4-(p-chlorophenoxy)-2-methyl-1,2,3,4-tetrahydroisoquinoline of Example 7, (22.1 g, 0.08 mole), ethyl chloroformate (10.9 g, 0.1 mole) and K2CO3 (22 g) in benzene (250 ml) is refluxed seven hours.
Workup
- temperatureis refluxed seven hours
Sources & evidence
- ORD record
- ord-41e93253311d4ffaa200aacbf6e4df1f
- Source dataset
- uspto-grants-1984_10
- Patent number
- US04477670
Reaction notes
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