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Tetrahydrofuran → 2-(4-{2-[2-(2,2,2-Trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-acetamide

HRID 1190441
Notes
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Reaction equation

HRID 1190441 reaction equation
[F:1][C:2]([F:33])([F:32])[CH2:3][N:4]1[C:8]([C:9]2[S:10][C:11]3[CH2:12][CH2:13][O:14][C:15]4[CH:22]=[C:21]([C:23]5[CH:24]=[N:25][N:26]([CH2:28][C:29](O)=[O:30])[CH:27]=5)[CH:20]=[CH:19][C:16]=4[C:17]=3[N:18]=2)=[N:7][CH:6]=[N:5]1.O1CCCC1.C([N:42](CC)C(C)C)(C)C.[Cl-].[NH4+].F[P-](F)(F)(F)(F)F.C[N+](C)=C(N(C)C)ON1C2N=CC=CC=2N=N1>>[F:32][C:2]([F:1])([F:33])[CH2:3][N:4]1[C:8]([C:9]2[S:10][C:11]3[CH2:12][CH2:13][O:14][C:15]4[CH:22]=[C:21]([C:23]5[CH:24]=[N:25][N:26]([CH2:28][C:29]([NH2:42])=[O:30])[CH:27]=5)[CH:20]=[CH:19][C:16]=4[C:17]=3[N:18]=2)=[N:7][CH:6]=[N:5]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 5

HCID 8028TetrahydrofuranHCID 25517Ammonium ChlorideHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67061748(4-{2-[2-(2,2,2-Trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-acetic acid

Product

1
HCID 670617272-(4-{2-[2-(2,2,2-Trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-acetamideYield 21%

Procedure

To a round bottom flask containing (4-{2-[2-(2,2,2-Trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-acetic acid (0.150 g, 0.000315 mol) in tetrahydrofuran (2.0 mL, 0.025 mol) was added N,N-diisopropylethylamine (0.33 mL, 0.0019 mol), ammonium chloride (0.10 g, 0.0019 mol) and N,N,N′,N′-tetramethyl-O-(7-azabenzotriazol-1-yl)uronium hexafluorophosphate (HATU) (0.24 g, 0.00063 mol). The reaction was stirred at room temperature overnight. The mixture was partitioned between saturated sodium bicarbonate and ethyl acetate. The organic phases were combined, dried with MgSO4, and concentrated. The crude was purified by reverse-phase HPLC to yield 240 (31.5 mg) as a colorless solid. MS (ESI+) 476.1.

Workup

  1. customThe mixture was partitioned between saturated sodium bicarbonate and ethyl acetate
  2. dry with materialdried with MgSO4
  3. concentrationconcentrated
  4. customThe crude was purified by reverse-phase HPLC

Sources & evidence

ORD record
ord-b97a4e53cd434d069d34fc3197705e9e
Source dataset
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08673952B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes