Hydroquinone → 2H-1-Benzopyran-2-one, 3,4-dihydro-6-hydroxy-4-phenyl-
Reaction equation
[C:1](O)(=[O:10])[CH:2]=[CH:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.[C:12]1([CH:19]=[CH:18][C:16]([OH:17])=[CH:15][CH:14]=1)[OH:13]>CCOCC>[OH:13][C:12]1[CH:19]=[C:18]2[C:16](=[CH:15][CH:14]=1)[O:17][C:1](=[O:10])[CH2:2][CH:3]2[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
6-Hydroxy-4-phenyl-3,4-dihydrocoumarin (II) was prepared in a similar way in 97% yield from cinnamic acid and hydroquinone. M.p. 138° (IPE-Ether).
Sources & evidence
- ORD record
- ord-174443c4a93a460595856fe5ea147f40
- Source dataset
- uspto-grants-1995_01
- Patent number
- US05382600
Reaction notes
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