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Methyl iodide → 2-[4,5-Dimethoxy-2-(1-methyl-2-phenyl-ethyl)-phenyl]-3,4,4-trimethyl-4,5-dihydro-oxazolium iodide

HRID 2266059
Notes
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Reaction equation

HRID 2266059 reaction equation
[CH3:1][O:2][C:3]1[C:8]([O:9][CH3:10])=[CH:7][C:6]([C:11]2[O:12][CH2:13][C:14]([CH3:17])([CH3:16])[N:15]=2)=[C:5]([CH:18]([CH3:26])[CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH:4]=1.[I:27][CH3:28]>[N+](C)([O-])=O>[I-:27].[CH3:1][O:2][C:3]1[C:8]([O:9][CH3:10])=[CH:7][C:6]([C:11]2[O:12][CH2:13][C:14]([CH3:16])([CH3:17])[N+:15]=2[CH3:28])=[C:5]([CH:18]([CH3:26])[CH2:19][C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[CH:4]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6328Methyl iodideHCID 595987102-[4,5-Dimethoxy-2-(1-methyl-2-phenyl-ethyl)-phenyl]-4,4-dimethyl-4,5-dihydro-oxazole

Product 1

HCID 670534362-[4,5-Dimethoxy-2-(1-methyl-2-phenyl-ethyl)-phenyl]-3,4,4-trimethyl-4,5-dihydro-oxazolium iodideYield 95.8%

Reagents, catalysts & solvents 1

HCID 6375NitromethaneSolvent

Conditions

Temperature
110 °C

Procedure

To a solution of 2-[4,5-dimethoxy-2-(1-methyl-2-phenyl-ethyl)-phenyl]-4,4-dimethyl-4,5-dihydro-oxazole (7.515 g, 21.3 mmol) in 50 mL NO2CH3 was added iodomethane (2.65 mL, 42.5 mmol). The solution was warmed to 110 ° C. After 3 hours the solution was cooled and concentrated in vacuo to give 2-[4,5-dimethoxy-2-(1-methyl-2-phenyl-ethyl)-phenyl]-3,4,4-trimethyl-4,5-dihydro-oxazolium iodide (10.108 g) as an orange solid.

Workup

  1. temperatureAfter 3 hours the solution was cooled
  2. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-8fa5f71601f44f01bc6154f0aaec176b
Source dataset
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07858632B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes