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4-Phenylbutanoyl Chloride → 4-[1-(4-Phenylbutanoyloxy)tridecyl]2-trimethylsilylfuran

HRID 1090888
Notes
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Reaction equation

HRID 1090888 reaction equation
C([Li])(C)(C)C.[OH:6][CH:7]([C:20]1[CH:21]=[C:22]([Si:25]([CH3:28])([CH3:27])[CH3:26])[O:23][CH:24]=1)[CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH3:19].[C:29]1([CH2:35][CH2:36][CH2:37][C:38](Cl)=[O:39])[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1>CCCCC.O1CCCC1>[C:29]1([CH2:35][CH2:36][CH2:37][C:38]([O:6][CH:7]([C:20]2[CH:21]=[C:22]([Si:25]([CH3:28])([CH3:27])[CH3:26])[O:23][CH:24]=2)[CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH3:19])=[O:39])[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 117898654-Phenylbutanoyl ChlorideHCID 156632683-(1-Hydroxytridecyl)-5-trimethylsilylfuranHCID 178418306HCID 178418306, compound

Product 1

HCID 150370604-[1-(4-Phenylbutanoyloxy)tridecyl]2-trimethylsilylfuran

Reagents, catalysts & solvents 2

HCID 8003PentaneSolvent
HCID 8028
Tetrahydrofuran
Solvent

Procedure

tert-Butyl lithium (a 1.7M solution in pentane; 0.47 ml, 0.79 mmol) was added dropwise to a solution of 4-(1-hydroxytridecyl)-2-trimethylsilylfuran (256.4 mg, 0.76 mmol), prepared as in Example 38, in tetrahydrofuran (5 ml) at -78 degrees under argon. After 10 minutes, a solution of 4-phenylbutyryl chloride (145 mg, 0.79 mmol) was added. Stirring was continued at room temperature for 2 days and the mixture was quenched with water. Extraction and evaporation of the dried (magnesium sulphate) extracts gave an oil, which was purified by preparative thin-layer chromatography (20×20 cm, 1000 micron silica plate; developed with 10% ethyl ether/hexane). The title ester was obtained as a light yellow oil.

Workup

  1. waitwas continued at room temperature for 2 days
  2. customthe mixture was quenched with water
  3. extractionExtraction and evaporation of the
  4. dry with materialdried (magnesium sulphate)
  5. customextracts gave an oil, which
  6. customwas purified by preparative thin-layer chromatography (20×20 cm, 1000 micron silica plate; developed with 10% ethyl ether/hexane)

Sources & evidence

ORD record
ord-c30f87958949497892af86ff71897a7d
Source dataset
uspto-grants-1992_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05082954

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes