5-Chloro-3-methylthiophene-2-carboxylic acid → 5-Chloro-4-methylthiophene-2-carboxylic acid

HRID 280564Notes

Reaction equation

HRID 280564 reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([OH:9])=[O:8])=[C:4](C)[CH:3]=1.[CH3:11]O.O>>[Cl:1][C:2]1[S:6][C:5]([C:7]([OH:9])=[O:8])=[CH:4][C:3]=1[CH3:11]

Participants

3

Reactant 2

HCID 133762205-Chloro-3-methylthiophene-2-carboxylic acidHCID 22242641Methanol--water (1/1)

Product 1

HCID 126059575-Chloro-4-methylthiophene-2-carboxylic acid

Procedure

5-Chloro-3-methyl-thiophene-2-carboxylic acid, melting point (methanol/H2O) 149°-152° C. (90%).

Sources & evidence

ORD record
ord-00b51d8d8b774f99bae4bf1df873f914
Source dataset
uspto-grants-1986_05
Patent number
US04590203

Reaction notes

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