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Cesium carbonate → 3-[(7-Fluoro-5,5-dioxido-3,4-dihydro-2H-1,5-benzoxathiepin-8-yl)oxy]-5-[(1S)-2-hydroxy-1-methylethoxy]-N-(1-methyl-1H-pyrazol-3-yl)benzamide

HRID 548654
Notes
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Reaction equation

HRID 548654 reaction equation
F[C:2]1[CH:7]=[C:6](F)[C:5]([F:9])=[CH:4][C:3]=1[S:10]([CH:13]1[CH2:17][CH2:16][O:15]C1=O)(=[O:12])=[O:11].[Si]([O:26][CH2:27][C@H:28]([CH3:46])[O:29][C:30]1[CH:31]=[C:32]([CH:42]=[C:43]([OH:45])[CH:44]=1)[C:33]([NH:35][C:36]1[CH:40]=[CH:39][N:38]([CH3:41])[N:37]=1)=[O:34])(C(C)(C)C)(C)C.C(=O)([O-])[O-].[Cs+].[Cs+]>C(#N)C>[F:9][C:5]1[C:6]([O:45][C:43]2[CH:42]=[C:32]([CH:31]=[C:30]([O:29][C@@H:28]([CH3:46])[CH2:27][OH:26])[CH:44]=2)[C:33]([NH:35][C:36]2[CH:40]=[CH:39][N:38]([CH3:41])[N:37]=2)=[O:34])=[CH:7][C:2]2[O:15][CH2:16][CH2:17][CH2:13][S:10](=[O:11])(=[O:12])[C:3]=2[CH:4]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 536296323-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]-5-hydroxy-N-(1-methyl-1H-pyrazol-3-yl)benzamideHCID 576631723-[(2,4,5-trifluorophenyl)sulfonyl]dihydrofuran-2(3H)-one

Product 1

HCID 119612633-[(7-Fluoro-5,5-dioxido-3,4-dihydro-2H-1,5-benzoxathiepin-8-yl)oxy]-5-[(1S)-2-hydroxy-1-methylethoxy]-N-(1-methyl-1H-pyrazol-3-yl)benzamideYield 34.3%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Conditions

Temperature
150 °C

Procedure

A solution of 3-[(2,4,5-trifluorophenyl)sulfonyl]dihydrofuran-2(3H)-one (126 mg, 0.45 mmol) and 3-((1S)-2-{[tert-butyl(dimethyl)silyl]oxy}-1-methylethyloxy)-5-hydroxy-N-(1-methyl-1H-pyrazol-3-yl)benzamide (203 mg, 0.50 mmol) in acetonitrile (3.5 mL) was treated with caesium carbonate (650 mg, 2.0 mmol) and heated in a microwave reactor at 150° C. for 1.5 hours. The reaction mixture was filtered and concentrated in vacuo. The residue was then chromatographed on silica, eluting with a gradient of 0 to 10% methanol in ethyl acetate, to afford the title compound (78 mg).

Workup

  1. filtrationThe reaction mixture was filtered
  2. concentrationconcentrated in vacuo
  3. customThe residue was then chromatographed on silica
  4. washeluting with a gradient of 0 to 10% methanol in ethyl acetate

Sources & evidence

ORD record
ord-69848e2f1b9a41bab56fcd6ae1171ca3
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07943607B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes