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Tetrahydrofuran → 4-((1RS,2RS)-2-(4-chlorophenyl)-3-(trimethylsilyl)cyclopropyl)-1-(2-cyclopropyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one

HRID 2203079
Notes
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Reaction equation

HRID 2203079 reaction equation
Br[C:2]1[CH:7]=[CH:6][N:5]([C:8]2[CH:9]=[CH:10][C:11]3[N:15]=[C:14]([CH:16]4[CH2:18][CH2:17]4)[N:13]([CH3:19])[C:12]=3[CH:20]=2)[C:4](=[O:21])[CH:3]=1.[Cl:22][C:23]1[CH:28]=[CH:27][C:26]([CH:29]2[CH:31](B3OC(C)(C)C(C)(C)O3)[CH:30]2[Si:41]([CH3:44])([CH3:43])[CH3:42])=[CH:25][CH:24]=1.C(=O)([O-])[O-].[K+].[K+].C1COCC1>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].O>[Cl:22][C:23]1[CH:24]=[CH:25][C:26]([CH:29]2[CH:30]([Si:41]([CH3:44])([CH3:43])[CH3:42])[CH:31]2[C:2]2[CH:7]=[CH:6][N:5]([C:8]3[CH:9]=[CH:10][C:11]4[N:15]=[C:14]([CH:16]5[CH2:18][CH2:17]5)[N:13]([CH3:19])[C:12]=4[CH:20]=3)[C:4](=[O:21])[CH:3]=2)=[CH:27][CH:28]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 11430Potassium CarbonateHCID 896908634-Bromo-1-(2-cyclopropyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-oneHCID 131735783((2RS,3SR)-2-(4-chlorophenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropyl)(trimethyl)silane

Product 1

HCID 131735784
4-((1RS,2RS)-2-(4-chlorophenyl)-3-(trimethylsilyl)cyclopropyl)-1-(2-cyclopropyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one
Yield 17%

Reagents, catalysts & solvents 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 962WaterSolvent

Conditions

Temperature
70 °C

Procedure

A mixture of 4-bromo-1-(2-cyclopropyl-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one (108 mg), ((2RS,3SR)-2-(4-chlorophenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropyl)(trimethyl)silane (110 mg), potassium carbonate (130 mg), PdCl2(dppf) (11.5 mg), THF (6 ml) and water (2.0 ml) was heated at 70° C. overnight. The mixture was partitioned between water and EtOAc. The organic layer was washed with brine, dried over MgSO4, concentrated in vacuo, and purified by silica gel column chromatography (hexane/EtOAc) to give the title compound (26.0 mg) as a white solid.

Workup

  1. customThe mixture was partitioned between water and EtOAc
  2. washThe organic layer was washed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated in vacuo
  5. custompurified by silica gel column chromatography (hexane/EtOAc)

Sources & evidence

ORD record
ord-b019c31b49354d59b69fa50fbd29b8cb
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09365540B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes