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Hydrochloric Acid → HCID 15229448, compound

HRID 1612895
Notes
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Reaction equation

HRID 1612895 reaction equation
[Cl:1][C:2]1[CH:27]=[CH:26][C:5]([CH2:6][N:7]2[C:15]3[C:10](=[CH:11][C:12]([O:16]C)=[CH:13][CH:14]=3)[C:9]([CH3:18])=[C:8]2[CH2:19][C:20]([CH3:25])([CH3:24])[C:21]([OH:23])=[O:22])=[CH:4][CH:3]=1.[CH2:28](S)C.[Al+3].[Cl-].[Cl-].[Cl-].Cl>C(Cl)Cl>[Cl:1][C:2]1[CH:27]=[CH:26][C:5]([CH2:6][N:7]2[C:15]3[C:10](=[CH:11][C:12]([OH:16])=[CH:13][CH:14]=3)[C:9]([CH3:18])=[C:8]2[CH2:19][C:20]([CH3:25])([CH3:24])[C:21]([O:23][CH3:28])=[O:22])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 6343EthanethiolHCID 6451240Aluminum(III) ChlorideHCID 117408193-[1-(4-Chlorobenzyl)-3-methyl-5-methoxyindol-2-yl]-2,2-dimethylpropanoic acid

Product 1

HCID 15229448HCID 15229448, compound

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a solution of 1.05 g (2.7 mmol) of 3-[1-(4-chlorobenzyl)-3-methyl-5-methoxyindol-2-yl]-2,2-dimethylpropanoic acid (EP 166,591, Example 22) and 800 μL of ethanethiol (10 mmol) in 20 mL of CH2Cl2 at -20° C. was added in portions 2.17 g (16 mmol) of AlCl3. The reaction turned light orange and was stirred at room temperature overnight. In the morning, the reaction was completed (tlc) and it was poured into a solution of 1N HCl and extracted 3× with CH2Cl2. The combined organic layers were washed with brine, dried (MgSO4), and filtered. The filtrate was evaporated and to the residual syrup (680 mg) was added 20 mL of Et2O followed by an ethereal solution of diazomethane. Evaporation of the solvent left the crude title compound which was used without further purification.

Workup

  1. extractionextracted 3× with CH2Cl2
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried (MgSO4)
  4. filtrationfiltered
  5. customThe filtrate was evaporated and to the residual syrup (680 mg)
  6. additionwas added 20 mL of Et2O
  7. customEvaporation of the solvent
  8. waitleft the crude title compound which
  9. customwas used without further purification

Sources & evidence

ORD record
ord-6ecaff9f934c413db1ca2ebef8f17ca2
Source dataset
uspto-grants-1993_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05190968

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes