An Efficient Synthesis of 1-Methyl-4,5,6,7-tetrahydro-1H-pyrrolo[2,3-c]pyridine and Its N6-Substituted Analogues
作者:Nikolay Gorobets、Maxim Nechayev、Sergiy Kovalenko、Andrey Tolmachev
DOI:10.1055/s-0032-1318346
日期:——
hydrochloride was achieved using simple sodium borohydride reduction of 6-benzyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-6-ium bromide as the key step followed by its debenzylation with hydrogen over palladium on carbon on a multigram scale. Similarly, a series of N6-substituted 1-methyl-1H-pyrrolo[2,3-c]pyridin-6-ium halides were synthesized and reduced with sodium borohydride, showing this method to be applicable
摘要 使用简单的硼氢化钠还原6-苄基-1-甲基-1 H-可以有效合成1-甲基-4,5,6,7-四氢-1 H-吡咯并[2,3- c ]吡啶盐酸盐。吡咯并[2,3 - c ]吡啶-6-溴化铵是关键步骤,然后在氢气上以钯为单位在氢气上脱氢苄基化。同样,合成了一系列N 6取代的1-甲基-1 H-吡咯并[2,3 - c ]吡啶-6-卤化硼,并用硼氢化钠还原,表明该方法适用于合成不同的N 6-取代的1-甲基-4,5,6,7-四氢-1 H-吡咯并[2,3- c]吡啶。 使用简单的硼氢化钠还原6-苄基-1-甲基-1 H-可以有效合成1-甲基-4,5,6,7-四氢-1 H-吡咯并[2,3- c ]吡啶盐酸盐。吡咯并[2,3 - c ]吡啶-6-溴化铵是关键步骤,然后在氢气上以钯为单位在氢气上脱氢苄基化。同样,合成了一系列N 6取代的1-甲基-1 H-吡咯并[2,3 - c ]吡啶-6-卤化硼,并用硼氢化钠还原,表明该方法适用于合成不同的N