3-Aminopyrazine-2-carbonitrile → HCID 10731668, compound
Reaction equation
[NH2:1][C:2]1[C:3]([C:8]#[N:9])=[N:4][CH:5]=[CH:6][N:7]=1.CO[C:12]1[CH:13]=[C:14]([CH:20]=[CH:21][CH:22]=1)[O:15][CH2:16][C:17]([NH2:19])=N.[CH2:23]([OH:25])C.CN(C)C=O>C(O)C>[NH2:9][C:8]1[C:3]2[C:2](=[N:7][CH:6]=[CH:5][N:4]=2)[N:1]=[C:17]([CH2:16][O:15][C:14]2[CH:13]=[CH:12][C:22]([O:25][CH3:23])=[CH:21][CH:20]=2)[N:19]=1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
Obtained using the procedure described in section c of Example 2, starting with 9.8 g (0.082 mole) of 3-amino-2-pyrazinecarbonitrile and the above solution of 2-(3-methoxyphenoxy)acetamidine in absolute ethanol. Refluxing time: 2 hours. Yld: 5.5 g (24%), m.p. 238°-240° C. (ethanol/N,N-dimethylformamide).
Workup
- customObtained
- temperatureRefluxing time
- custom2 hours
Sources & evidence
- ORD record
- ord-a487d76b85994344bf8a40d224bfc610
- Source dataset
- uspto-grants-1992_12
- Patent number
- US05167949
Reaction notes
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