Potassium Carbonate → ethyl 4-(2-chlorophenyl)-2-[5-(trifluoromethyl)-2H-tetrazol-2-yl]methylpyrimidine-5-carboxylate

HRID 1958085Notes

Reaction equation

Br[CH2:2][C:3]1[N:8]=[C:7]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2[Cl:15])[C:6]([C:16]([O:18][CH2:19][CH3:20])=[O:17])=[CH:5][N:4]=1.[F:21][C:22]([C:25]1[NH:29][N:28]=[N:27][N:26]=1)([F:24])[F:23].C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[Cl:15][C:10]1[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=1[C:7]1[C:6]([C:16]([O:18][CH2:19][CH3:20])=[O:17])=[CH:5][N:4]=[C:3]([CH2:2][N:27]2[N:28]=[N:29][C:25]([C:22]([F:24])([F:23])[F:21])=[N:26]2)[N:8]=1

Participants

Conditions

Temperature: 60 °C

Procedure

An amount of 345 mg (0.97 mmol) of ethyl 2-(bromomethyl)-4-(2-chlorophenyl)pyrimidine-5-carboxylate was added to a solution of 200 mg (1.45 mmol) of trifluoromethyltetrazole in 10 ml of acetonitrile. Then 174 mg (1.26 mmol) of potassium carbonate were added to the reaction solution, which was stirred at 60° C. for 6 hours. After cooling to room temperature, the reaction solution was filtered and the mother liquor was freed from the solvent under reduced pressure. The residue was admixed with 10 ml of water and extracted with ethyl acetate (3×20 ml). The combined organic phases were dried over sodium sulphate. The solvent was removed under reduced pressure and the residue was purified by chromatography.

Workup

temperatureAfter cooling to room temperature
filtrationthe reaction solution was filtered
extractionextracted with ethyl acetate (3×20 ml)
dry with materialThe combined organic phases were dried over sodium sulphate
customThe solvent was removed under reduced pressure
customthe residue was purified by chromatography

Sources & evidence

ORD record: ord-7d6394b6fd4f4fd3bb5031294da3bcdb
Source dataset: uspto-grants-2013_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08410106B2

Reaction notes

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