Synthesis of β-Carbolines from 2-Acyl-1-benzenesulfonyl-3-iodo-1<b><i>H</i></b>-indoles
作者:Elisabetta Rossi、Giorgio Abbiati、Egle Beccalli、Alessandro Marchesini
DOI:10.1055/s-2001-18715
日期:——
2-Acyl-1-benzenesulfonyl-3-iodo-1H-indoles and 1-benzenesulfonyl-3-iodo-1H-indole-2-carbaldehyde give in satisfactory yields 1,3- and 3-substituted-β-carbolines, respectively, by combined palladium-catalyzed coupling with alk-1-ynes followed by 6-endo-dig cycloamination reactions.
2-酰基-1-苯磺酰基-3-碘-1H-吲哚和1-苯磺酰基-3-碘-1H-吲哚-2-羧醛通过与 alk-1-炔的联合钯催化耦合反应,随后进行6-端内环的环氨化反应,以令人满意的产率分别生成1,3-和3-取代的β-吲哚啉。