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5-[(4-Chloro-2-fluorophenyl){7-[(methylsulfanyl)methyl]-1H-indol-3-yl}methyl]-2,2-dimethyl-1,3-dioxane-4,6-dione → Ethyl 3-(4-chloro-2-fluorophenyl)-3-{7-[(methylsulfanyl)methyl]-1H-indol-3-yl}propanoate

HRID 561396
Notes
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Reaction equation

HRID 561396 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:19]2[C:27]3[C:22](=[C:23]([CH2:28][S:29][CH3:30])[CH:24]=[CH:25][CH:26]=3)[NH:21][CH:20]=2)[CH:9]2C(=O)O[C:12](C)([CH3:16])[O:11][C:10]2=[O:18])=[C:4]([F:31])[CH:3]=1>N1C=CC=CC=1.C(O)C.[Cu]>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:19]2[C:27]3[C:22](=[C:23]([CH2:28][S:29][CH3:30])[CH:24]=[CH:25][CH:26]=3)[NH:21][CH:20]=2)[CH2:9][C:10]([O:11][CH2:12][CH3:16])=[O:18])=[C:4]([F:31])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 1

HCID 583924735-[(4-Chloro-2-fluorophenyl){7-[(methylsulfanyl)methyl]-1H-indol-3-yl}methyl]-2,2-dimethyl-1,3-dioxane-4,6-dione

Product 1

HCID 58392210Ethyl 3-(4-chloro-2-fluorophenyl)-3-{7-[(methylsulfanyl)methyl]-1H-indol-3-yl}propanoate

Reagents, catalysts & solvents 3

HCID 23978CopperCatalystHCID 702EthanolSolventHCID 1049
Pyridine
Solvent

Procedure

5.0 mg (0.08 mmol) of copper powder were added to 3.60 g (7.79 mmol) of the compound from Example 15A in 56 ml of pyridine and 14 ml of ethanol. The reaction mixture was heated under reflux for 1 h. It was concentrated, and the residue was taken up in ethyl acetate, washed with 1N hydrochloric acid, dried over magnesium sulfate, filtered through silica gel and concentrated. The crude product was purified by preparative HPLC (RP18 column; mobile phase: acetonitrile/water gradient with addition of 0.1% formic acid) to result in 2.23 g (70% of theory) of the title compound.

Workup

  1. temperatureThe reaction mixture was heated
  2. temperatureunder reflux for 1 h
  3. concentrationIt was concentrated
  4. washwashed with 1N hydrochloric acid
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered through silica gel
  7. concentrationconcentrated
  8. customThe crude product was purified by preparative HPLC (RP18 column; mobile phase: acetonitrile/water gradient with addition of 0.1% formic acid)

Sources & evidence

ORD record
ord-e3826bbd62f94ade872cf169e19c37d7
Source dataset
uspto-grants-2011_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08063234B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes