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Ammonium Chloride → 4-(1-ethyl-1-{4-[(E)-2-(1-hydroxy-cyclohexyl)-vinyl]-3-methyl-phenyl}-propyl)-2-methyl-phenol

HRID 546867
Notes
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Reaction equation

HRID 546867 reaction equation
[CH2:1]([C:3]([C:22]1[CH:27]=[CH:26][C:25]([OH:28])=[C:24]([CH3:29])[CH:23]=1)([C:6]1[CH:11]=[CH:10][C:9]([C:12]#[C:13][C:14]2([OH:20])[CH2:19][CH2:18][CH2:17][CH2:16][CH2:15]2)=[C:8]([CH3:21])[CH:7]=1)[CH2:4][CH3:5])[CH3:2].[H-].[Al+3].[Li+].[H-].[H-].[H-].[Cl-].[NH4+]>O1CCCC1>[CH2:1]([C:3]([C:22]1[CH:27]=[CH:26][C:25]([OH:28])=[C:24]([CH3:29])[CH:23]=1)([C:6]1[CH:11]=[CH:10][C:9](/[CH:12]=[CH:13]/[C:14]2([OH:20])[CH2:19][CH2:18][CH2:17][CH2:16][CH2:15]2)=[C:8]([CH3:21])[CH:7]=1)[CH2:4][CH3:5])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 25517Ammonium ChlorideHCID 21226445Aluminium lithium hydrideHCID 574834104-{1-Ethyl-1-[4-(1-hydroxy-cyclohexylethynyl)-3-methyl-phenyl]-propyl}-2-methyl-phenol

Product 1

HCID 574630044-(1-ethyl-1-{4-[(E)-2-(1-hydroxy-cyclohexyl)-vinyl]-3-methyl-phenyl}-propyl)-2-methyl-phenolYield 88%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

4-{1-Ethyl-1-[4-(1-hydroxy-cyclohexylethynyl)-3-methyl-phenyl]-propyl}-2-methyl-phenol (Example 35-(1); 0.2 g, 0.51 mmol) was added to a solution of lithium aluminum hydride (38.9 mg, 1.02 mmol) in tetrahydrofuran (2 mL), and the mixture was stirred for five hours. A saturated aqueous ammonium chloride solution was added to the reaction mixture, followed by extraction with ethyl acetate. The organic layer was washed with water, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel chromatography (20% ethyl acetate/hexane) to give the title compound (0.17 g, 88%).

Workup

  1. extractionfollowed by extraction with ethyl acetate
  2. washThe organic layer was washed with water
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel chromatography (20% ethyl acetate/hexane)

Sources & evidence

ORD record
ord-4d0dc36f11764cf4a69e0da4b1a130ed
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07935688B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes