Water → (5,8-Difluoroquinazolin-4-yl)-{2-[3-methyl-4-(4-trifluoromethylpyridin-2-yloxy)-phenyl]-ethyl}-amine

HRID 1467401Notes

Reaction equation

[F:1][C:2]1[CH:11]=[CH:10][C:9]([F:12])=[C:8]2[C:3]=1[C:4]([NH:13][CH2:14][CH2:15][C:16]1[CH:21]=[CH:20][C:19]([OH:22])=[C:18]([CH3:23])[CH:17]=1)=[N:5][CH:6]=[N:7]2.F[C:25]1[CH:30]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:28]=[CH:27][N:26]=1.C(=O)([O-])[O-].[K+].[K+].O>CS(C)=O>[F:1][C:2]1[CH:11]=[CH:10][C:9]([F:12])=[C:8]2[C:3]=1[C:4]([NH:13][CH2:14][CH2:15][C:16]1[CH:21]=[CH:20][C:19]([O:22][C:25]3[CH:30]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:28]=[CH:27][N:26]=3)=[C:18]([CH3:23])[CH:17]=1)=[N:5][CH:6]=[N:7]2

Participants

Conditions

Temperature: 90 °C

Procedure

A mixture of 4-[2-(5,8-difluoroquinazolin-4-ylamino)-ethyl]-2-methylphenol (0.47 g, 1.5 mmol), 2-fluoro-4-trifluoromethylpyridine (0.371 g, 2.25 mmol), and potassium carbonate (0.31 g, 2.25 mmol) in DMSO (7 mL) was heated at 90° C. overnight. The reaction was complete, as determined by LC-MS. After cooling to room temperature, water was added and the mixture was stirred for 10 min. The solid precipitate was collected by filtration, washed with water, and dried under vacuum at 50° C. to provide 0.533 g (77%) of (5,8-difluoroquinazolin-4-yl)-{2-[3-methyl-4-(4-trifluoromethylpyridin-2-yloxy)-phenyl]-ethyl}-amine as an off-white solid, M.P. 108-110° C. 1H NMR (CDCl3): δ 8.69 (s, 1H), 8.31 (d, J=5.1 Hz, 1H), 7.34 (m, 1H), 7.13-7.21 (m, 4H), 6.96-7.03 (m, 2H), 6.71-6.84 (br, 1H), 3.94 (m, 2H), 3.02 (t, J=6.9 Hz, 2H), 2.17 (s, 3H). LC/MS: 461.13 (M++1).

Workup

temperatureAfter cooling to room temperature
filtrationThe solid precipitate was collected by filtration
washwashed with water
customdried under vacuum at 50° C.

Sources & evidence

ORD record: ord-0c843b40ca7346b59df19e4aa79a19a4
Source dataset: uspto-grants-2015_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09000162B2

Reaction notes

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