[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH:6]=[CH:7][C:8]([OH:10])=[O:9]>C(O)C.[Pd]>[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH2:6][CH2:7][C:8]([OH:10])=[O:9]To a solution of 3-(2-thienyl)acrylic acid (7 g) in ethanol was added 5% palladium on carbon and the mixture was hydrogenated at 50 psi in a Parr apparatus. The catalyst was filtered off and the solvent was removed by evaporation to yield the title compound (5.5 g) as an oil. Electrospray MS m/z 155 [M−H]+.
Wird geladen…