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Diethyl Ether → 2(5H)-Furanone, 4-[4-(methylthio)phenyl]-3-phenyl-

HRID 1376584
Notes
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Reaction equation

HRID 1376584 reaction equation
I[C:2]1[C:3](=[O:15])[O:4][CH2:5][C:6]=1[C:7]1[CH:12]=[CH:11][C:10]([S:13][CH3:14])=[CH:9][CH:8]=1.[C:16]1(B(O)O)[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1.[As](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CCOCC>C1C=CC=CC=1.[OH-].[Na+]>[C:16]1([C:2]2[C:3](=[O:15])[O:4][CH2:5][C:6]=2[C:7]2[CH:12]=[CH:11][C:10]([S:13][CH3:14])=[CH:9][CH:8]=2)[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 3283Diethyl EtherHCID 11773TriphenylarsineHCID 66827Phenylboronic AcidHCID 121505903-iodo-4-(4-(methylthio)phenyl)-2-(5H)-furanone

Product 1

HCID 110442352(5H)-Furanone, 4-[4-(methylthio)phenyl]-3-phenyl-

Reagents, catalysts & solvents 2

HCID 241
Benzene
Solvent
HCID 14798Sodium HydroxideSolvent

Procedure

A mixture of 4 g of the product of Step 3, 3.7 g of PhB(OH)2, 0.4 g of Ph3As, 0.4 g of PdCl2 (PhCN)2 in 100 mL of benzene and 15 mL of 2N NaOH is refluxed for 6 h. Ether (200 mL) is then added and the mixture is washed with 100 mL of saturated NaHCO3. The organic layer is dried over MgSO4 and concentrated. The residue is purified by flash chromatography on silica gel eluted with 4:1 hexane/EtOAc to give the title compound.

Workup

  1. temperatureis refluxed for 6 h
  2. washthe mixture is washed with 100 mL of saturated NaHCO3
  3. dry with materialThe organic layer is dried over MgSO4
  4. concentrationconcentrated
  5. customThe residue is purified by flash chromatography on silica gel
  6. washeluted with 4:1 hexane/EtOAc

Sources & evidence

ORD record
ord-837c4e5880b34e90a5ebf93b02c7e9f9
Source dataset
uspto-grants-1997_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05663195

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes