Pyridine → HCID 21559719, compound
Reaction equation
[OH:1][C:2]1[CH:12]=[C:11]([OH:13])[CH:10]=[CH:9][C:3]=1[C:4]([CH2:6][C:7]#[N:8])=[O:5].[C:14](OC(=O)C)(=[O:16])[CH3:15].N1C=CC=[CH:23][CH:22]=1>>[C:14]([O:13][C:11]1[CH:10]=[CH:9][C:3]2[C:4](=[O:5])[C:6]([C:7]#[N:8])=[C:22]([CH3:23])[O:1][C:2]=2[CH:12]=1)(=[O:16])[CH3:15]Participants
4
Procedure
A mixture of 5 g of 2,4-dihydroxybenzoyl acetonitrile, 15 ml of pyridine and 7.5 ml of acetic anhydride was left overnight at room temperature. The next morning the crystals were filtered and recrystallized from ethanol, mp 140°-141° C.
Workup
- filtrationThe next morning the crystals were filtered
- customrecrystallized from ethanol, mp 140°-141° C.
Sources & evidence
- ORD record
- ord-4499392b34e8488694fac6e93386266b
- Source dataset
- uspto-grants-1976_02
- Patent number
- US03937837
Reaction notes
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