Enantioselective Syntheses of (-)-(<i>R</i>)-Rolipram, (-)-(<i>R</i>)-Baclofen and Other GABA Analogues via Rhodium-Catalyzed Conjugate Addition of Arylboronic Acids
作者:Günter Helmchen、Jean-Michel Becht、Oliver Meyer
DOI:10.1055/s-2003-42457
日期:——
Highly enantioselective syntheses of two important γ-aminobutyric acid (GABA) analogues, the antispastic drug (-)-(R)-Baclofen and the antidepressant agent (-)-(R)-Rolipram, are reported. Key-steps in both syntheses are the Rh-catalyzed asymmetric 1,4-additions of arylboronic acids to 4-aminobut-2,3-enoic acid derivatives.
报道了两种重要的 γ-氨基丁酸 (GABA) 类似物,抗痉挛药物 (-)-(R)-巴氯芬和抗抑郁剂 (-)-(R)-Rolipram 的高度对映选择性合成。两种合成的关键步骤是芳基硼酸与 4-氨基丁-2,3-烯酸衍生物的 Rh 催化不对称 1,4-加成。