3,4,5-Trimethoxybenzaldehyde → (Z)-5-fluoro-2-methyl-1-(3,4,5-trimethoxybenzylidene)-3-indenylacetic acid
Reaction equation
[F:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[CH2:7][C:6]([CH3:11])=[C:5]2[CH2:12][C:13]([OH:15])=[O:14].[CH3:16][O:17][C:18]1[CH:19]=[C:20]([CH:23]=[C:24]([O:28][CH3:29])[C:25]=1[O:26][CH3:27])[CH:21]=O>>[F:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)/[C:7](=[CH:21]\[C:20]1[CH:23]=[C:24]([O:28][CH3:29])[C:25]([O:26][CH3:27])=[C:18]([O:17][CH3:16])[CH:19]=1)/[C:6]([CH3:11])=[C:5]2[CH2:12][C:13]([OH:15])=[O:14]Participants
3
Procedure
5-fluoro-2-methylindene-3-acetic acid (see Example 1, Part D) is allowed to react with 3,4,5-trimethoxybenzaldehyde according to the procedure of Example 1, part E to obtain (Z)-5-fluoro-2-methyl-1-(3,4,5-trimethoxybenzylidene)-3-indenylacetic acid. C22H21FO5 : 384.40; m.p. 168° C.
Sources & evidence
- ORD record
- ord-c3b98f3c7bc44e99a0796b151b0c93cb
- Source dataset
- uspto-grants-2000_02
- Patent number
- US06028116
Reaction notes
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