Synthesis of C-14-labeled novel IKK inhibitor: 2-[14C]-N-(6-chloro-9H-pyrido [3,4-b]indol-8-yl)-3-pyridinecarboxamide
作者:Yuexian Li、Shimoga R. Prakash
DOI:10.1002/jlcr.926
日期:2005.4
2-[14C]-N-(6-Chloro-9H-pyrido [3,4-b]indol-8-yl)-3-pyridinecarboxamide (9A, also referred to as [14C]-PS-1145) was synthesized from [14C]-paraformaldehyde in five steps in an overall radiochemical yield of 15%. The key intermediate 1-[14C]-6-chloro-1,2,3,4-tetrahydro-β-carboline was obtained by Pictet–Spengler cyclization of chlorotryptamine with [14C]-paraformaldehyde. Similar reactions were conducted
合成了 2-[14C]-N-(6-Chloro-9H-pyrido [3,4-b]indol-8-yl)-3-pyridinecarboxamide (9A, 也称为 [14C]-PS-1145)从[14C]-多聚甲醛分五步合成,总放射化学产率为15%。关键中间体1-[14C]-6-氯-1,2,3,4-四氢-β-咔啉是通过氯色胺与[14C]-多聚甲醛的Pictet-Spengler环化获得的。用色胺进行了类似的反应以解决该方法的通用性。版权所有 © 2005 John Wiley & Sons, Ltd.