1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 66880195, compound

HRID 2094450Notes

Reaction equation

[F:1][C:2]1[CH:10]=[N:9][CH:8]=[CH:7][C:3]=1[C:4]([OH:6])=O.[NH2:11][C:12]1[CH:17]=[C:16]([C:18]([F:21])([F:20])[F:19])[CH:15]=[CH:14][C:13]=1[OH:22].CCN=C=NCCCN(C)C>N1C=CC=CC=1>[F:1][C:2]1[CH:10]=[N:9][CH:8]=[CH:7][C:3]=1[C:4]([NH:11][C:12]1[CH:17]=[C:16]([C:18]([F:19])([F:20])[F:21])[CH:15]=[CH:14][C:13]=1[OH:22])=[O:6]

Participants

Conditions

Temperature: 80 °C

Procedure

A mixture of 0.49 g of 3-fluoroisonicotinic acid, 0.62 g of 2-amino-4-(trifluoromethyl)phenol, 1.00 g of WSC and 6 ml of pyridine was stirred while heating at 80° C. for two hours. The reaction mixture was cooled to room temperature, and then concentrated. Water was poured into the residue, followed by extraction with ethyl acetate. The organic layer was washed with a saturated sodium chloride solution. The organic layer was dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was washed with a tert-butyl methyl ether-hexane mixture solvent to give 0.51 g of 3-fluoro-N-[2-hydroxy-5-(trifluoromethyl)phenyl]isonicotinamide.

Workup

temperatureThe reaction mixture was cooled to room temperature
concentrationconcentrated
additionWater was poured into the residue
extractionfollowed by extraction with ethyl acetate
washThe organic layer was washed with a saturated sodium chloride solution
dry with materialThe organic layer was dried over anhydrous sodium sulfate
concentrationconcentrated under reduced pressure
washThe residue was washed with a tert-butyl methyl ether-hexane mixture solvent

Sources & evidence

ORD record: ord-d8c95c609fc24924a07414f16ec3c42d
Source dataset: uspto-grants-2013_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08445522B2

Reaction notes

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