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Water → HCID 59556982, compound

HRID 1173602
Notes
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Reaction equation

HRID 1173602 reaction equation
[CH2:1]([O:8][C:9]([NH:11][C@@H:12]([CH3:25])[CH:13]([C:15]1([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:17][CH2:16]1)[OH:14])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.FC(F)(F)S(O[Si:32]([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:34])[CH3:33])(=O)=O.CC1C=CC=C(C)N=1.O>C1COCC1>[CH2:1]([O:8][C:9]([NH:11][C@@H:12]([CH3:25])[CH:13]([C:15]1([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:17][CH2:16]1)[O:14][Si:32]([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:34])[CH3:33])=[O:10])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 79372,6-LutidineHCID 123564tert-Butyldimethylsilyl trifluoromethanesulphonateHCID 59556880tert-butyl 1-((2S)-2-{[(benzyloxy)carbonyl]amino}-1-hydroxypropyl)cyclopropanecarboxylate

Product 1

HCID 59556982HCID 59556982, compoundYield 75%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of tert-butyl 1-((2S)-2-{[(benzyloxy)carbonyl]amino}-1-hydroxypropyl)cyclopropanecarboxylate (1.58 g) in THF (15 mL) was cooled to 0° C., tert-butyl(dimethyl)silyl trifluoromethanesulfonate (1.56 mL) and 2,6-dimethylpyridine (1.05 mL) were added, and the mixture was stirred at room temperature for 16 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate=1/0→1/1) to give the title compound as a colorless oil (yield: 1.57 g, 75%).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate=1/0→1/1)

Sources & evidence

ORD record
ord-f3cbdc9916cb42e0938bdaea2ea7ae94
Source dataset
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07834051B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes