Potassium Cyanide → HCID 178508163, compound
Reaction equation
[N:1]1[CH2:2][O:3][CH:4]=[C:5]2[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=12.[C-]#[N:12].[K+]>>[NH:12]=[C:2]1[C:4](=[O:3])[C:5]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[NH:1]1Participants
3
Procedure
The process according to claim 1 in which the 3,1-benzoxazine is reacted with potassium cyanide in an equimolar ratio or in the presence of a slight excess of potassium cyanide at a temperature of 100° C., to decarboxylate said 3,1-benzoxazine and obtain a 2-imino-3-indolinone.
Sources & evidence
- ORD record
- ord-5d655aacc25c4bf0a3e9950278bdbd7f
- Source dataset
- uspto-grants-1981_04
- Patent number
- US04261894
Reaction notes
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