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Triphenylphosphine → 4-((4-(Difluoromethyl)-1,3-thiazol-2-yl)methoxy)-1-(2-ethyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one

HRID 2203111
Notes
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Reaction equation

HRID 2203111 reaction equation
[F:1][CH:2]([F:10])[C:3]1[N:4]=[C:5]([CH2:8][OH:9])[S:6][CH:7]=1.[CH2:11]([C:13]1[N:17]([CH3:18])[C:16]2[CH:19]=[C:20]([N:23]3[CH:28]=[CH:27][C:26](O)=[CH:25][C:24]3=[O:30])[CH:21]=[CH:22][C:15]=2[N:14]=1)[CH3:12].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCCOC)=O)=NC(OCCOC)=O>O.C1COCC1>[F:1][CH:2]([F:10])[C:3]1[N:4]=[C:5]([CH2:8][O:9][C:26]2[CH:27]=[CH:28][N:23]([C:20]3[CH:21]=[CH:22][C:15]4[N:14]=[C:13]([CH2:11][CH3:12])[N:17]([CH3:18])[C:16]=4[CH:19]=3)[C:24](=[O:30])[CH:25]=2)[S:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 11776TriphenylphosphineHCID 533844152-methoxyethyl N-(2-methoxyethoxycarbonylimino)carbamateHCID 680963792-Thiazolemethanol, 4-(difluoromethyl)-HCID 896909981-(2-Ethyl-1-methyl-1H-benzimidazol-6-yl)-4-hydroxypyridin-2(1H)-one

Product 1

HCID 897026674-((4-(Difluoromethyl)-1,3-thiazol-2-yl)methoxy)-1-(2-ethyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one
Yield 13.1%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8028TetrahydrofuranSolvent

Procedure

A mixture of (4-(difluoromethyl)-1,3-thiazol-2-yl)methanol (61.3 mg), 1-(2-ethyl-1-methyl-1H-benzo[d]imidazol-6-yl)-4-hydroxypyridin-2(1H)-one (50 mg), triphenylphosphine (146 mg), bis(2-methoxyethyl) azodicarboxylate (130 mg) and THF (3 ml) was stirred at room temperature for 3 h. The mixture was diluted with water, and extracted with EtOAc. The extract was washed with brine, dried over MgSO4, concentrated in vacuo and purified by NH silica gel column chromatography (hexane/EtOAc) to give the title compound (10.1 mg) as a white solid.

Workup

  1. extractionextracted with EtOAc
  2. washThe extract was washed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated in vacuo
  5. custompurified by NH silica gel column chromatography (hexane/EtOAc)

Sources & evidence

ORD record
ord-9ee8129c1882422a8895680434487701
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09365540B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes