Ethyl 5-(3-chloro-5-fluorophenyl)-4-(3-cyano-4-fluorophenyl)thiophene-2-carboxylate → 5-(3-Chloro-5-fluorophenyl)-4-(3-cyano-4-fluorophenyl)thiophene-2-carboxylic acid
Reaction equation
ClC1C=C(C2SC(C(O)=O)=CC=2C2C=CC=C(C#N)C=2)C=C(F)C=1.[Cl:25][C:26]1[CH:27]=[C:28]([C:33]2[S:37][C:36]([C:38]([O:40]CC)=[O:39])=[CH:35][C:34]=2[C:43]2[CH:48]=[CH:47][C:46]([F:49])=[C:45]([C:50]#[N:51])[CH:44]=2)[CH:29]=[C:30]([F:32])[CH:31]=1>>[Cl:25][C:26]1[CH:27]=[C:28]([C:33]2[S:37][C:36]([C:38]([OH:40])=[O:39])=[CH:35][C:34]=2[C:43]2[CH:48]=[CH:47][C:46]([F:49])=[C:45]([C:50]#[N:51])[CH:44]=2)[CH:29]=[C:30]([F:32])[CH:31]=1Participants
3
Procedure
The preparation of the title compound takes place in analogy to the synthesis of the compound from Example 19A starting with the compound from Example 18A. 82.3 mg (97% of theory) of the title compound are obtained.
Sources & evidence
- ORD record
- ord-eb38378555a94d9abee1532849d9eca1
- Source dataset
- uspto-grants-2013_10
- Patent number
- US08546438B2
Reaction notes
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