Synthesis of 5-Organotellanyl-1<i>H</i>-1,2,3-triazoles: Functionalization of the 5-Position Scaffold by the Sonogashira Cross-Coupling Reaction
作者:Hélio A. Stefani、Stanley N. S. Vasconcelos、Flávia Manarin、Daiana M. Leal、Frederico B. Souza、Lucas Sousa Madureira、Julio Zukerman-Schpector、Marcos N. Eberlin、Marla N. Godoi、Renan de Souza Galaverna
DOI:10.1002/ejoc.201300009
日期:2013.6
An efficient synthesis of 5-organotellanyl-1H-1,2,3-triazole compounds was accomplished through [3+2] cycloaddition reaction of organic azides and (organotellanyl)alkynes. Additionally, 5-organotellanyl-1H-1,2,3-triazoles were readily functionalized at the 5-position by using a Sonogashira cross-coupling reaction, leading to highly functionalised triazoles. The regiochemistry of the products was assessed
通过有机叠氮化物和(有机烯基)炔烃的[3+2]环加成反应,实现了5-有机烯基-1H-1,2,3-三唑化合物的有效合成。此外,通过使用 Sonogashira 交叉偶联反应,5-有机萘基-1H-1,2,3-三唑很容易在 5 位官能化,从而产生高度官能化的三唑。通过二维核磁共振光谱实验和 X 射线晶体学评估产物的区域化学。