Dimethylformamide → 2-(4-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-1-yl)-N,N-dimethylacetamide

HRID 886352Notes

Reaction equation

HRID 886352 reaction equation
[CH:1]([N:4]1[C:8]([C:9]2[N:10]=[C:11]3[C:17]4[CH:18]=[N:19][C:20]([N:22]5[CH2:27][CH2:26][N:25]([CH2:28][C:29](O)=[O:30])[CH2:24][CH2:23]5)=[CH:21][C:16]=4[O:15][CH2:14][CH2:13][N:12]3[CH:32]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2].[CH3:33][N:34](C)[CH:35]=O.C(N(CC)C(C)C)(C)C.F[P-](F)(F)(F)(F)F.C[N+](C)=C(N(C)C)ON1C2N=CC=CC=2N=N1>>[CH:1]([N:4]1[C:8]([C:9]2[N:10]=[C:11]3[C:17]4[CH:18]=[N:19][C:20]([N:22]5[CH2:27][CH2:26][N:25]([CH2:28][C:29]([N:34]([CH3:35])[CH3:33])=[O:30])[CH2:24][CH2:23]5)=[CH:21][C:16]=4[O:15][CH2:14][CH2:13][N:12]3[CH:32]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2]

Participants

5

Reactant 4

HCID 6228DimethylformamideHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 582050192-(4-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-1-yl)acetic acid

Product 1

HCID 582050372-(4-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-1-yl)-N,N-dimethylacetamide

Procedure

2-(4-(2-(1-Isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-1-yl)acetic acid (0.050 g, 0.00011 mol) dissolved in N,N-Dimethylformamide (1.79 mL, 0.0231 mol) and treated sequentially with N,N-Diisopropylethylamine (0.119 mL, 0.000686 mol) Dimethylamine hydrochloride (0.0373 g, 0.000457 mol) then N,N,N′,N′-Tetramethyl-O-(7-azabenzotriazol-1-yl)uronium Hexafluorophosphate (0.0521 g, 0.000137 mol). Stir at r.t. 2 h. Add sat. sodium bicarbonate, extract with ethyl acetate. Dry organics over sodium sulfate and concentrate to give 331, analyzed by rHPLC. MS: (ESI+)=466.2. 1H NMR (400 MHz, DMSO) δ 9.10 (s, 1H), 7.89 (s, 1H), 7.84 (s, 1H), 6.34 (s, 1H), 6.01-5.79 (m, 1H), 4.50 (d, J=10.0 Hz, 4H), 3.53 (s, 4H), 3.18 (s, 2H), 3.03 (s, 3H), 2.82 (s, 3H), 1.47 (d, J=6.5 Hz, 6H).

Workup

  1. custom2 h
  2. extractionAdd sat. sodium bicarbonate, extract with ethyl acetate
  3. concentrationDry organics over sodium sulfate and concentrate

Sources & evidence

ORD record
ord-c3dde3fb954f49988f0e8b7e889df756
Source dataset
uspto-grants-2012_08
Patent number
US08242104B2

Reaction notes

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