Oxalyl chloride → 3,4,4-Trifluoro-3-butenoyl chloride

HRID 1940830Notes

Reaction equation

HRID 1940830 reaction equation
[F:1][C:2](=[C:7]([F:9])[F:8])[CH2:3][C:4](O)=[O:5].C(Cl)(=O)C([Cl:13])=O>CN(C=O)C>[F:1][C:2](=[C:7]([F:9])[F:8])[CH2:3][C:4]([Cl:13])=[O:5]

Participants

4

Reactant 2

HCID 65578Oxalyl chlorideHCID 152391743,4,4-Trifluoro-3-butenoic acid

Product 1

HCID 109207893,4,4-Trifluoro-3-butenoyl chloride

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideCatalyst

Procedure

Reaction of 3,4,4-trifluoro-3-butenoic acid (IV) with oxalyl chloride in the presence of DMF as a catalyst without any solvent to give 3,4,4-trifluoro-3-butenoyl chloride (V).

Sources & evidence

ORD record
ord-75c8e802700b4336a1843b9a7017695a
Source dataset
uspto-grants-1997_12
Patent number
US05700840

Reaction notes

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