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3-Chloro-2-fluorobenzaldehyde → (Z)-3-(3-Chloro-2-fluoro-phenyl)-2-(4-chloro-2-fluoro-phenyl)-acrylonitrile

HRID 1806766
Notes
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Reaction equation

HRID 1806766 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]#[N:10])=[C:4]([F:11])[CH:3]=1.[Cl:12][C:13]1[C:14]([F:21])=[C:15]([CH:18]=[CH:19][CH:20]=1)[CH:16]=O.C[O-].[Na+]>CO>[Cl:12][C:13]1[C:14]([F:21])=[C:15](/[CH:16]=[C:8](/[C:5]2[CH:6]=[CH:7][C:2]([Cl:1])=[CH:3][C:4]=2[F:11])\[C:9]#[N:10])[CH:18]=[CH:19][CH:20]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7363353-Chloro-2-fluorobenzaldehydeHCID 2736569(4-Chloro-2-fluoro-phenyl)-acetonitrileHCID 10942334Sodium Methoxide

Product 1

HCID 59249629(Z)-3-(3-Chloro-2-fluoro-phenyl)-2-(4-chloro-2-fluoro-phenyl)-acrylonitrileYield 97%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

In a manner similar to the method described in Example 1b, 4-chloro-2-fluorophenylacetonitrile (5 g, 30 mmol) was reacted with 3-chloro-2-fluorobenzaldehyde (5 g, 32 mmol), methanolic solution (25 wt %) of sodium methoxide (21 mL, 92 mmol) in methanol (200 mL) at 45° C. for 5 h to give (Z)-3-(3-chloro-2-fluoro-phenyl)-2-(4-chloro-2-fluoro-phenyl)-acrylonitrile as a white powder (9 g, 97%).

Sources & evidence

ORD record
ord-f16a43f7f77440558c931830c36519bc
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08354444B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes