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Imidazole → (4S,5S)-tert-butyl 5-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyl-4-(thiazol-4-ylmethyl)oxazolidine-3-carboxylate

HRID 1009113
Notes
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Reaction equation

HRID 1009113 reaction equation
[OH:1][CH2:2][C@H:3]1[O:7][C:6]([CH3:9])([CH3:8])[N:5]([C:10]([O:12][C:13]([CH3:16])([CH3:15])[CH3:14])=[O:11])[C@H:4]1[CH2:17][C:18]1[N:19]=[CH:20][S:21][CH:22]=1.N1C=CN=C1.[C:28]([Si:32](Cl)([CH3:34])[CH3:33])([CH3:31])([CH3:30])[CH3:29]>CN(C=O)C.C(OCC)C>[Si:32]([O:1][CH2:2][C@H:3]1[O:7][C:6]([CH3:9])([CH3:8])[N:5]([C:10]([O:12][C:13]([CH3:14])([CH3:15])[CH3:16])=[O:11])[C@H:4]1[CH2:17][C:18]1[N:19]=[CH:20][S:21][CH:22]=1)([C:28]([CH3:31])([CH3:30])[CH3:29])([CH3:34])[CH3:33]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 795ImidazoleHCID 28928tert-Butyldimethylsilyl chlorideHCID 59347038(4S,5S)-Tert-butyl 5-(hydroxymethyl)-2,2-dimethyl-4-(thiazol-4-ylmethyl)oxazolidine-3-carboxylate

Product 1

HCID 67270188(4S,5S)-tert-butyl 5-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyl-4-(thiazol-4-ylmethyl)oxazolidine-3-carboxylate

Reagents, catalysts & solvents 2

HCID 3283
Diethyl Ether
Solvent
HCID 6228DimethylformamideSolvent

Procedure

(4S,5S)-Tert-butyl 5-(hydroxymethyl)-2,2-dimethyl-4-(thiazol-4-ylmethyl)oxazolidine-3-carboxylate (0.096 g, 0.29 mmol) was dissolved in DMF (1 mL) with 1H-imidazole (0.026 g, 0.38 mmol) and tert-butylchlorodimethylsilane (0.053 g, 0.35 mmol). The reaction was stirred 2 hrs, diluted with diethyl ether and washed twice with water and once with brine. The organic layer was dried over magnesium sulfate and concentrated to furnish the title compound, which was used for the next step without purification.

Workup

  1. washwashed twice with water and once with brine
  2. dry with materialThe organic layer was dried over magnesium sulfate
  3. concentrationconcentrated

Sources & evidence

ORD record
ord-582a789cbd6b41a0ba4a5be32c1e8791
Source dataset
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07973047B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes