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Sodium Hydroxide → 2-[4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid

HRID 2377495
Notes
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Reaction equation

HRID 2377495 reaction equation
C[O:2][C:3](=[O:31])[CH:4]([C:6]1[CH:11]=[CH:10][C:9]([C:12]#[C:13][C:14]2[CH:23]=[CH:22][C:21]3[CH:20]([N:24]([CH:26]4[CH2:28][CH2:27]4)[CH3:25])[CH2:19][CH2:18][C:17]([CH3:30])([CH3:29])[C:16]=3[CH:15]=2)=[CH:8][CH:7]=1)[CH3:5].[OH-].[Na+].[Cl-].[NH4+]>CO.O1CCCC1>[CH:26]1([N:24]([CH3:25])[CH:20]2[CH2:19][CH2:18][C:17]([CH3:29])([CH3:30])[C:16]3[CH:15]=[C:14]([C:13]#[C:12][C:9]4[CH:8]=[CH:7][C:6]([CH:4]([CH3:5])[C:3]([OH:31])=[O:2])=[CH:11][CH:10]=4)[CH:23]=[CH:22][C:21]2=3)[CH2:27][CH2:28]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 14798Sodium HydroxideHCID 25517Ammonium ChlorideHCID 690758892-{4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester2×

Product 1

HCID 211071302-[4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acidYield 40%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 8028TetrahydrofuranSolvent

Procedure

A solution of 2-{4-[5-(cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester (Intermediate 169, 0.022 g, 0.05 mmol) in methanol (2 mL) and tetrahydrofuran (2 mL) was treated with a 2M solution of sodium hydroxide (1 mL, 2 mmol) and the resulting reaction mixture was stirred at ambient temperature overnight. The reaction mixture was neutralized with saturated aqueous ammonium chloride solution and extracted with ethyl acetate. The organic phase was washed with water and brine, and dried over anhydrous magnesium sulfate, filtered and evaporated in vacuo to a residue that was subjected to preparative reverse phase HPLC using 10% water in acetonitrile as the mobile phase to afford the title product (0.008 g, 40%).

Workup

  1. customthe resulting reaction mixture
  2. extractionextracted with ethyl acetate
  3. washThe organic phase was washed with water and brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. customevaporated in vacuo to a residue that

Sources & evidence

ORD record
ord-2f9799361fa64c63868962afbe6fcddd
Source dataset
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07468391B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes