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Hydrochloric Acid → [5-({4-[(5-Methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenoxy}methyl)-2-phenyl-1,3-oxazol-4-yl]methanol

HRID 2221804
Notes
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Reaction equation

HRID 2221804 reaction equation
COC[O:4][CH2:5][C:6]1[N:7]=[C:8]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[O:9][C:10]=1[CH2:11][O:12][C:13]1[CH:18]=[CH:17][C:16]([O:19][CH2:20][C:21]2[N:22]=[C:23]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)[O:24][C:25]=2[CH3:26])=[CH:15][CH:14]=1.Cl.O1CCCC1>O>[CH3:26][C:25]1[O:24][C:23]([C:27]2[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=2)=[N:22][C:21]=1[CH2:20][O:19][C:16]1[CH:17]=[CH:18][C:13]([O:12][CH2:11][C:10]2[O:9][C:8]([C:33]3[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=3)=[N:7][C:6]=2[CH2:5][OH:4])=[CH:14][CH:15]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 692174854-[(Methoxymethoxy)methyl]-5-({4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenoxy}methyl)-2-phenyl-1,3-oxazole

Product 1

HCID 69214990[5-({4-[(5-Methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenoxy}methyl)-2-phenyl-1,3-oxazol-4-yl]methanolYield 30.1%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Procedure

A mixture of 4-[(methoxymethoxy)methyl]-5-({4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenoxy}methyl)-2-phenyl-1,3-oxazole (0.80 g), 1N hydrochloric acid (20 mL) and tetrahydrofuran (20 mL) was heated under reflux for 20 hrs. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography to give [5-({4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenoxy}methyl)-2-phenyl-1,3-oxazol-4-yl]methanol as colorless crystals (0.22 g, yield 29%) from a fraction eluted with ethyl acetate-hexane (1:1, v/v). Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 143-144° C.

Workup

  1. temperaturewas heated
  2. temperatureunder reflux for 20 hrs
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe ethyl acetate layer was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-56bd6679ebe14a2780d2dc5b09ba5679
Source dataset
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07368578B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes