Malononitrile → 2-Amino-6-chloro-4-oxo-4H-1-benzopyran-3-carbonitrile
Reaction equation
C([O:4][C:5]1[CH:13]=[CH:12][C:11]([Cl:14])=[CH:10][C:6]=1[C:7](Cl)=[O:8])(=O)C.[C:15](#[N:19])[CH2:16][C:17]#[N:18]>>[NH2:18][C:17]1[O:4][C:5]2[CH:13]=[CH:12][C:11]([Cl:14])=[CH:10][C:6]=2[C:7](=[O:8])[C:16]=1[C:15]#[N:19]Participants
3
Procedure
-- In the same way as described in Example 3, 2-acetoxy-5-chlorobenzoyl chloride and malononitrile are reacted to give crystals, mp 340°C.
Workup
- customare reacted
- customto give crystals, mp 340°C.
Sources & evidence
- ORD record
- ord-d9f0273d0f6f40bba875930a16f3f488
- Source dataset
- uspto-grants-1976_01
- Patent number
- US03932466
Reaction notes
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