Toluene → N-[3-(2,6-Difluorobenzyloxy)pyrid-2-yl]-N'-(4-chlorophenyl)thiourea
Reaction equation
[NH2:1][C:2]1[C:7]([O:8][CH2:9][C:10]2[C:15]([F:16])=[CH:14][CH:13]=[CH:12][C:11]=2[F:17])=[CH:6][CH:5]=[CH:4][N:3]=1.[Cl:18][C:19]1[CH:24]=[CH:23][C:22]([N:25]=[C:26]=[S:27])=[CH:21][CH:20]=1.C1(C)C=CC=CC=1>C(OCC)C>[F:17][C:11]1[CH:12]=[CH:13][CH:14]=[C:15]([F:16])[C:10]=1[CH2:9][O:8][C:7]1[C:2]([NH:1][C:26]([NH:25][C:22]2[CH:23]=[CH:24][C:19]([Cl:18])=[CH:20][CH:21]=2)=[S:27])=[N:3][CH:4]=[CH:5][CH:6]=1Participants
5
Procedure
A mixture of 2-amino-3-(2,6-difluorobenzyloxy)pyridine (2.10 g, 0.009 mol), 4-chlorophenyl isothiocyanate (1.81 g, 0.01 mol) and toluene (10 ml) was refluxed for 3 hours, then cooled and treated with diethyl ether to induce crystallisation of the product. Yield 2.71 g (75%), m.p. 151°-154 ° C.
Workup
- temperaturewas refluxed for 3 hours
- temperaturecooled
- customcrystallisation of the product
Sources & evidence
- ORD record
- ord-305126df7ec149e78f531bbebad37242
- Source dataset
- uspto-grants-1995_04
- Patent number
- US05409943
Reaction notes
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