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Triacetoxyperiodinane → 1-(1-benzenesulfonyl-5-methoxymethyl-1H-pyrrolo[2,3-b]pyridin-2-yl]-2-cyclopentyl-ethanone

HRID 1515684
Notes
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Reaction equation

HRID 1515684 reaction equation
[C:1]1([S:7]([N:10]2[C:14]3=[N:15][CH:16]=[C:17]([CH2:19][O:20][CH3:21])[CH:18]=[C:13]3[CH:12]=[C:11]2[CH:22]([OH:29])[CH2:23][CH:24]2[CH2:28][CH2:27][CH2:26][CH2:25]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O>ClCCl>[C:1]1([S:7]([N:10]2[C:14]3=[N:15][CH:16]=[C:17]([CH2:19][O:20][CH3:21])[CH:18]=[C:13]3[CH:12]=[C:11]2[C:22](=[O:29])[CH2:23][CH:24]2[CH2:28][CH2:27][CH2:26][CH2:25]2)(=[O:9])=[O:8])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 159087TriacetoxyperiodinaneHCID 672293381-(1-benzenesulfonyl-5-methoxymethyl-1H-pyrrolo[2,3-b]pyridin-2-yl]-2-cyclopentyl-ethanol

Product 1

HCID 672278381-(1-benzenesulfonyl-5-methoxymethyl-1H-pyrrolo[2,3-b]pyridin-2-yl]-2-cyclopentyl-ethanoneYield 99.8%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Conditions

Temperature
25 °C

Procedure

To a solution of 1-(1-benzenesulfonyl-5-methoxymethyl-1H-pyrrolo[2,3-b]pyridin-2-yl]-2-cyclopentyl-ethanol (710 mg, 1.71 mmol) in dichloromethane (50 mL) was added Dess-Martin periodinane (1.8 g, 4.2 mmol) at 25° C. The reaction mixture was stirred at 25° C. for 1 h and then quenched with a saturated aqueous sodium bicarbonate solution (60 mL). The mixture was extracted with ethyl acetate (250 mL), washed with a saturated aqueous sodium bicarbonate solution (3×50 mL), brine, dried over anhydrous sodium sulfate and then concentrated in vacuo to give 1-(1-benzenesulfonyl-5-methoxymethyl-1H-pyrrolo[2,3-b]pyridin-2-yl]-2-cyclopentyl-ethanone (704 mg, quant.) as a light yellow solid which was used in the next step without further purification: LC/MS m/e calcd for C22H24N2O4S [M+H]+ 413.51, observed 413.2.

Workup

  1. customquenched with a saturated aqueous sodium bicarbonate solution (60 mL)
  2. extractionThe mixture was extracted with ethyl acetate (250 mL)
  3. washwashed with a saturated aqueous sodium bicarbonate solution (3×50 mL), brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-183dfb88e6fc4eb795ca8ff2216ec286
Source dataset
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08222416B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes