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1,4-Dioxane → 5-Chloro-4-[(4-chlorophenylthio)(2,5-difluorophenyl)methyl]-2-(3,4-dimethoxybenzylamino)pyridine

HRID 2080464
Notes
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Reaction equation

HRID 2080464 reaction equation
O1CCOCC1.Cl[C:8]1[CH:13]=[C:12]([CH:14]([S:23][C:24]2[CH:29]=[CH:28][C:27]([Cl:30])=[CH:26][CH:25]=2)[C:15]2[CH:20]=[C:19]([F:21])[CH:18]=[CH:17][C:16]=2[F:22])[C:11]([Cl:31])=[CH:10][N:9]=1.[CH3:32][O:33][C:34]1[CH:35]=[C:36]([CH:39]=[CH:40][C:41]=1[O:42][CH3:43])[CH2:37][NH2:38]>CCCCCC>[Cl:31][C:11]1[C:12]([CH:14]([S:23][C:24]2[CH:25]=[CH:26][C:27]([Cl:30])=[CH:28][CH:29]=2)[C:15]2[CH:20]=[C:19]([F:21])[CH:18]=[CH:17][C:16]=2[F:22])=[CH:13][C:8]([NH:38][CH2:37][C:36]2[CH:39]=[CH:40][C:41]([O:42][CH3:43])=[C:34]([O:33][CH3:32])[CH:35]=2)=[N:9][CH:10]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 312751,4-DioxaneHCID 79832VeratrylamineHCID 231145672,5-Dichloro-4-[(4-chlorophenylthio)-(2,5-difluorophenyl)methyl]pyridine

Product 1

HCID 231147075-Chloro-4-[(4-chlorophenylthio)(2,5-difluorophenyl)methyl]-2-(3,4-dimethoxybenzylamino)pyridineYield 49%

Reagents, catalysts & solvents 1

HCID 8058
Hexane
Solvent

Procedure

A dioxane (1.5 ml) solution of the 2,5-dichloro-4-[(4-chlorophenylthio)(2,5-difluorophenyl)methyl]pyridine (218 mg, 0.523 mmol) obtained in Example 54 and 3,4-dimethoxybenzylamine (400 μl) was heated at 120° C. for 3 days in a sealed tube. The reaction mixture was cooled to room temperature and then, concentrated under reduced pressure. The residue thus obtained was subjected to silica gel column chromatography. The fraction obtained from the hexane:ethyl acetate=4:1 eluate was concentrated under reduced pressure to give the title compound (140 mg, 0.256 mmol, 49%) as an amorphous substance.

Workup

  1. concentrationconcentrated under reduced pressure
  2. customThe residue thus obtained
  3. concentrationethyl acetate=4:1 eluate was concentrated under reduced pressure

Sources & evidence

ORD record
ord-8ee87d858e8b4c5891c58fb6d25ab992
Source dataset
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07932271B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes