2-(2-Methoxyphenoxy)-terephthalic acid dimethyl ester → 5-Chloro-9-oxo-9H-xanthene-3-carboxylic acid methyl ester
Reaction equation
CO[C:3](=[O:22])[C:4]1[CH:13]=[CH:12][C:7]([C:8]([O:10][CH3:11])=[O:9])=[CH:6][C:5]=1[O:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[Cl:21].COC(=O)C1C=CC(C(OC)=O)=CC=1OC1C=CC=CC=1OC>>[CH3:11][O:10][C:8]([C:7]1[CH:12]=[CH:13][C:4]2[C:3](=[O:22])[C:20]3[C:15]([O:14][C:5]=2[CH:6]=1)=[C:16]([Cl:21])[CH:17]=[CH:18][CH:19]=3)=[O:9]Participants
3
Procedure
Using an adaptation of the method described in Procedure 15, substituting 2-(2-chlorophenoxy)-terephthalic acid dimethyl ester, 1i for 2-(2-methoxyphenoxy)-terephthalic acid dimethyl ester, 1c, the title compound 5-chloro-9-oxo-9H-xanthene-3-carboxylic acid methyl ester, 2i was obtained. MS m/z (MH+) 289.0.
Sources & evidence
- ORD record
- ord-991f5f29ac1d4136b10609d24f8d4ede
- Source dataset
- uspto-grants-2009_09
- Patent number
- US07589104B2
Reaction notes
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