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Cesium fluoride → ethyl 3-(3-hydroxypropyl)-7-(2-methoxyphenyl)-1H-indole-2-carboxylate

HRID 2199714
Notes
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Reaction equation

HRID 2199714 reaction equation
Br[C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:10]=1[NH:9][C:8]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[C:7]2[CH2:16][CH2:17][CH2:18][OH:19].[CH3:20][O:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=1B(O)O.F[B-](F)(F)F.C(P(C(C)(C)C)C(C)(C)C)(C)(C)C.[F-].[Cs+]>C1COCC1.C(OCC)(=O)C.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[OH:19][CH2:18][CH2:17][CH2:16][C:7]1[C:6]2[C:10](=[C:2]([C:23]3[CH:24]=[CH:25][CH:26]=[CH:27][C:22]=3[O:21][CH3:20])[CH:3]=[CH:4][CH:5]=2)[NH:9][C:8]=1[C:11]([O:13][CH2:14][CH3:15])=[O:12]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 25953Cesium fluorideHCID 27339582-Methoxyphenylboronic acidHCID 44558591Tri-t-butylphosphine fluoroborateHCID 68943187ethyl 7-bromo-3-(3-hydroxypropyl)-1H-indole-2-carboxylate

Product 1

HCID 68940496ethyl 3-(3-hydroxypropyl)-7-(2-methoxyphenyl)-1H-indole-2-carboxylate

Reagents, catalysts & solvents 3

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalyst
HCID 8028TetrahydrofuranSolvent
HCID 8857Ethyl AcetateSolvent

Procedure

A mixture of EXAMPLE 1B (456 mg) and 2-methoxyphenylboronic acid (182.4 mg) in THF (10 mL), tris(dibenzylideneacetone)dipalladium(0) (46 mg), tri-tert-butylphosphine tetrafluoroborate (15 mg) and CsF (456 mg) was stirred at ambient temperature, diluted with ethyl acetate (200 mL), washed with water and brine, and dried (Na2SO4), filtered and concentrated. The concentrate was purified by flash column chromatography on silica gel with 20% ethyl acetate in hexanes.

Workup

  1. washwashed with water and brine
  2. dry with materialdried (Na2SO4)
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe concentrate was purified by flash column chromatography on silica gel with 20% ethyl acetate in hexanes

Sources & evidence

ORD record
ord-453d3d5134ad4186a962777432804195
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09359296B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes