N-(2-(p-bromophenoxy)ethyl)pyrrolidine → 5-methyl-N-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine

HRID 2374948Notes

Reaction equation

HRID 2374948 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:36]=[CH:35][C:26]([O:27][CH2:28][CH2:29][N:30]2[CH2:34][CH2:33][CH2:32][CH2:31]2)=[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]>[CH3:1][C:2]1[N:3]=[C:4]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:19])[F:20])[CH:13]=2)[N:5]2[C:10]=1[CH:9]=[N:8][C:7]([NH:11][C:23]1[CH:24]=[CH:25][C:26]([O:27][CH2:28][CH2:29][N:30]3[CH2:31][CH2:32][CH2:33][CH2:34]3)=[CH:35][CH:36]=1)=[N:6]2

Participants

7

Reactant 4

HCID 70657N-(2-(p-bromophenoxy)ethyl)pyrrolidineHCID 27342152-(Di-tert-butylphosphino)biphenylHCID 23676156Sodium t-butoxideHCID 587120012-Amino-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin2×

Product 1

HCID 112370285-methyl-N-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amineYield 71.4%

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), 1-[2-(4-bromophenoxy)ethyl]pyrrolidine (0.016 mL, 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 5-methyl-N-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine (0.031 g) as a yellow solid. 1H NMR (CD3OD): δ9.04 (s, 1H), 8.84 (s, 1H), 8.53 (d, J=7.3 Hz, 1H), 8.34 (bs, 2H), 7.75-7.64 (m, 4H), 7.02 (d, J=8.8 Hz, 2H), 4.33 (t, J=4.8 Hz, 2H), 3.66 (t, J=4.8 Hz, 2H), 3.48 (bs, 4H), 2.58 (s, 3H), 2.13 (bs, 4H). MS m/z 483 (M+1).

Sources & evidence

ORD record
ord-fe88f257ce0f443f8184bed4e1f1228f
Source dataset
uspto-grants-2008_12
Patent number
US07462614B2

Reaction notes

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