Sulfuric Acid → HCID 15882768, compound
Reaction equation
N[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([O:11][CH3:12])[CH:9]=2)[C:4](=[O:13])[C:3]=1[C:14]1[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=1.[OH:22]S(O)(=O)=O>>[CH3:12][O:11][C:8]1[CH:9]=[C:10]2[C:5](=[CH:6][CH:7]=1)[C:4](=[O:13])[CH:3]([C:14]1[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=1)[C:2]2=[O:22]Participants
3
Procedure
3-Amino-5-methoxy-2-(4-methoxyphenyl)-1H-inden-1-one (500 mg, 1.78 mmol), was suspended in a solution of 20% H2SO4 and heated to 120° for 1 h. The reaction was allowed to cool and the residual solid filtered and the filter cake was washed copiously with water and dried in vacuo to give a light white solid (0.5 g, 99% yield, m.p. 163° C.);
Workup
- temperatureheated to 120° for 1 h
- temperatureto cool
- filtrationthe residual solid filtered
- washthe filter cake was washed copiously with water
- customdried in vacuo
Sources & evidence
- ORD record
- ord-3e0a02d953dd45e1935b01e853bf4b9d
- Source dataset
- uspto-grants-2005_06
- Patent number
- US06903238B2
Reaction notes
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