Urea → Cyanic acid
Reaction equation
[NH2:1][C:2](N)=[O:3].[NH:5]1[C:12](=[O:13])[NH:11][C:9](=[O:10])[NH:8][C:6]1=[O:7].C1(OC(=N)OC(=N)O1)=N>>[NH:5]1[C:12](=[O:13])[NH:11][C:9](=[O:10])[NH:8][C:6]1=[O:7].[N:1]#[C:2][OH:3]Participants
5
Procedure
under conditions sufficient to prepare the urea condensation mixture of cyanuric acid and cyamelide. The urea is first heated to produce isocyanuric acid and/or cyanic acid then reacted with urea to form biuret then further heated to form a mixture of cyanuric acid and cymelide.
Workup
- customunder conditions sufficient to prepare
Sources & evidence
- ORD record
- ord-059dee72139542b0bf6685025999262a
- Source dataset
- uspto-grants-2002_07
- Patent number
- US06423250B1
Reaction notes
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