HCID 85613053, compound → HCID 57180828, compound
Reaction equation
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:17]3[C:12](=[CH:13][C:14]([O:18][CH3:19])=[CH:15][CH:16]=3)[O:11][CH2:10][C:9]=2[C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)=[CH:4][CH:3]=1>C(O)C.[Pd]>[OH:1][C:2]1[CH:3]=[CH:4][C:5]([C@H:8]2[C:17]3[C:12](=[CH:13][C:14]([O:18][CH3:19])=[CH:15][CH:16]=3)[O:11][CH2:10][C@H:9]2[C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)=[CH:6][CH:7]=1Participants
4
Reactant 1
Product 1
Reagents, catalysts & solvents 2
Procedure
4-(4-Hydroxyphenyl)-7-methoxy-3-phenyl-3-chromene (77.7 g) was dissolved in ethanol (1500 ml) at 50° C. Palladium on carbon, 10%, 50% wet (6 g) was added to the solution and the mixture was hydrogenated at 55° C. and 1 atmosphere for 8 hours.
Workup
- customwas hydrogenated at 55° C.
Sources & evidence
- ORD record
- ord-554a7ad9eb7b4a4987e609b1c776a33c
- Source dataset
- uspto-grants-2000_03
- Patent number
- US06043269
Reaction notes
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