2-(Di-tert-butylphosphino)biphenyl → N-methyl-N-[4-({5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]urea

HRID 2374940Notes

Reaction equation

HRID 2374940 reaction equation
[CH3:1][C:2]1[N:3]=[C:4]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:20])[F:19])[CH:13]=2)[N:5]2[C:10]=1[CH:9]=[N:8][C:7]([NH2:11])=[N:6]2.Br[C:23]1[CH:28]=[CH:27][C:26]([N:29]([CH3:33])[C:30]([NH2:32])=[O:31])=[CH:25][CH:24]=1.C(P(C(C)(C)C)C1C=CC=CC=1C1C=CC=CC=1)(C)(C)C.CC([O-])(C)C.[Na+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH3:33][N:29]([C:26]1[CH:27]=[CH:28][C:23]([NH:11][C:7]2[N:8]=[CH:9][C:10]3=[C:2]([CH3:1])[N:3]=[C:4]([C:12]4[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:19])[F:20])[CH:13]=4)[N:5]3[N:6]=2)=[CH:24][CH:25]=1)[C:30]([NH2:32])=[O:31]

Participants

7

Reactant 4

HCID 27342152-(Di-tert-butylphosphino)biphenylHCID 23676156Sodium t-butoxideHCID 57260299N-(4-bromophenyl)-N-methylureaHCID 587120012-Amino-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin2×

Product 1

HCID 68869436N-methyl-N-[4-({5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]ureaYield 40.3%

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 312751,4-DioxaneSolvent

Procedure

In a similar manner as described for Example 41, 5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine (Intermediate 45) (0.025 g, 0.09 mmol), N-(4-bromophenyl)-N-methylurea (0.02 g, 0.09 mmol), Pd2(dba)3 (0.008 g, 0.01 mmol), 2-(Di-t-butylphosphino)biphenyl (0.008 g, 0.03 mmol), and NaOtBu (0.011 g, 0.11 mmol) in 1,4-dioxane (1 mL) gave N-methyl-N-[4-({5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]urea (0.016 g) as a yellow solid. 1H NMR (Acetone-d6): δ9.11 (s, 1H), 8.99-8.95 (m, 1H), 8.82-8.76 (m, 1H), 8.69-8.66 (m, 1H), 7.95-7.91 (m, 1H), 7.80-7.76 (m, 2H), 7.74-7.69 (m, 3H), 7.57-7.52 (m, 2H), 6.30 (bs, 1H), 5.61 (bs, 1H), 2.76 (d, J=4.8 Hz, 3H), 2.57 (s, 3H). MS m/z 442 (M+1).

Sources & evidence

ORD record
ord-aaed82b2954c410a904a155501b8ade7
Source dataset
uspto-grants-2008_12
Patent number
US07462614B2

Reaction notes

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