Oxalyl chloride → 1-[(4-Fluorophenyl)carbamoyl]cyclopropanecarbonyl chloride
Reaction equation
C(Cl)(=O)C([Cl:4])=O.[F:7][C:8]1[CH:13]=[CH:12][C:11]([NH:14][C:15]([C:17]2([C:20]([OH:22])=O)[CH2:19][CH2:18]2)=[O:16])=[CH:10][CH:9]=1>C1COCC1.CN(C)C=O>[F:7][C:8]1[CH:13]=[CH:12][C:11]([NH:14][C:15]([C:17]2([C:20]([Cl:4])=[O:22])[CH2:19][CH2:18]2)=[O:16])=[CH:10][CH:9]=1Participants
5
Procedure
Oxalyl chloride (1.0 kg) was added to a solution of 1-(4-fluoro-phenylcarbamoyl)-cyclopropanecarboxylic acid (2.0 kg) in a mixture of THF (11 kg) and N,N-dimethylformamide (DMF; 0.02 kg) at a rate such that the batch temperature did not exceed 30° C. This solution was used in the next step without further processing.
Workup
- customdid not exceed 30° C
Sources & evidence
- ORD record
- ord-4d1fb0bef6544c9594f5956026242878
- Source dataset
- uspto-grants-2014_11
- Patent number
- US08877776B2
Reaction notes
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