Thionyl Chloride → 2-Phenyl-4-benzyl-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carbonyl chloride
Reaction equation
[C:1]1([N:7]2[C:12](=[O:13])[N:11]([CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)[C:10](=[O:21])[C:9]([C:22]([OH:24])=O)=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.S(Cl)([Cl:27])=O>>[C:1]1([N:7]2[C:12](=[O:13])[N:11]([CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)[C:10](=[O:21])[C:9]([C:22]([Cl:27])=[O:24])=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1Participants
3
Procedure
Intermediate k (3.0 g, 0.01 mol) was added to thionyl chloride (10V/W, 30 mL). The mixture was warmed up under stirring to react under reflux for 6 h. The solvent was evaporated off to produce a clear yellow crystal (2.8 g) in a yield of 81%.
Workup
- temperatureThe mixture was warmed up
- customto react
- temperatureunder reflux for 6 h
- customThe solvent was evaporated off
Sources & evidence
- ORD record
- ord-9fb84a36524f43f688e61bb4b1101324
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08822465B2
Reaction notes
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