Potassium Carbonate → Phenyl 6-(trifluoromethyl)pyrimidin-4-ylcarbamate

HRID 631451Notes

Reaction equation

[F:1][C:2]([F:11])([F:10])[C:3]1[N:8]=[CH:7][N:6]=[C:5]([NH2:9])[CH:4]=1.C(=O)([O-])[O-].[K+].[K+].Cl[C:19]([O:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)=[O:20]>O1CCCC1>[F:11][C:2]([F:1])([F:10])[C:3]1[N:8]=[CH:7][N:6]=[C:5]([NH:9][C:19](=[O:20])[O:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[CH:4]=1

Participants

Conditions

Temperature: 60 °C

Procedure

According to the procedure described in Example 113B, 6-(trifluoromethyl)pyrimidin-4-amine (480 mg, 2.94 mmoles) was dissolved in 20 mL of tetrahydrofuran. To this solution was added potassium carbonate (528 mg, 3.82 mmoles), followed by phenyl chloroformate (598 mg, 3.82 mmoles). An additional equivalent of phenyl chloroformate was added after stirring overnight and the reaction heated to 60° C. for 2 days. The crude product was purified to afford phenyl 6-(trifluoromethyl)pyrimidin-4-ylcarbamate as a white solid. 1H NMR (300 MHz, CDCl3) δ 10.12 (s, 1H), 9.13 (s, 1H), 8.46 (s, 1H), 7.7-7.2 (m, 5H)

Workup

customThe crude product was purified

Sources & evidence

ORD record: ord-c15dfe56b22340e3b0b729eef43b6b08
Source dataset: uspto-grants-2016_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09320739B2

Reaction notes

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