中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (E)-3-(4-chlorophenyl)but-2-enoic acid | —— | C10H9ClO2 | 196.633 |
(Z)- and (E)-4-Amino-3-(4-chlorophenyl)but-2-enoic acids have been synthesized from 4-chloroacetophenone as conformationally restricted analogues of baclofen. The corresponding unsaturated lactam (4) has been catalytically reduced and hydrolysed to baclofen to demonstrate the suitability of (4) as a precursor for radiolabelled baclofen of high specific activity.