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Sodium Azide → HCID 86600237, compound

HRID 859892
Notes
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Reaction equation

HRID 859892 reaction equation
[CH2:1]([N:8]1[CH2:12][C@H:11]([CH2:13]OS(C)(=O)=O)[C@@H:10]([OH:19])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[N-:20]=[N+:21]=[N-:22].[Na+]>CN(C)C=O>[N:20]([CH2:13][C@@H:11]1[C@@H:10]([OH:19])[CH2:9][N:8]([CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)[CH2:12]1)=[N+:21]=[N-:22]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 33557Sodium AzideHCID 86600238(3R,4R)-1-Benzyl-3-hydroxy-4-methanesulfonyloxymethylpyrrolidine

Product 1

HCID 86600237HCID 86600237, compoundYield 84.7%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
120 °C

Procedure

(3R,4R)-1-Benzyl-3-hydroxy-4-methanesulfonyloxymethylpyrrolidine (835 mg), sodium azide (381 mg), and N,N-dimethylformamide (12 mL) were mixed with one another and the mixture was stirred at 120° C. for 1 hour. Subsequently, the reaction mixture was concentrated under reduced pressure. To the resulting residue, water (10 mL) was added and the mixture was extracted with diethyl ether (2×30 mL). The diethyl ether extracts were combined and the combined extract was dried over anhydrous sodium sulfate and was concentrated under reduced pressure. The resulting residue was purified on a silica gel column (eluant=ethyl acetate: methanol=20:1) to give 576 mg of (3R,4R)-3-azidomethyl-1-benzyl-4-hydroxypyrrolidine as a pale brown oil.

Workup

  1. concentrationSubsequently, the reaction mixture was concentrated under reduced pressure
  2. additionTo the resulting residue, water (10 mL) was added
  3. extractionthe mixture was extracted with diethyl ether (2×30 mL)
  4. extractionthe combined extract
  5. dry with materialwas dried over anhydrous sodium sulfate
  6. concentrationwas concentrated under reduced pressure
  7. customThe resulting residue was purified on a silica gel column (eluant=ethyl acetate: methanol=20:1)

Sources & evidence

ORD record
ord-fe5118d282ee4bb797fb4c82d932b075
Source dataset
uspto-grants-2006_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07153851B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes