Palladium-Catalyzed Highly Regioselective C6 Arylation of Pyrrolo[2,3-<i>d</i>]pyrimidine Derivatives with Arylboronic Acids
作者:Min Liu、Chunwei Shen、Ting Tang、Chenhong Pan、Mingrui Liu、Xingxian Zhang
DOI:10.1021/acs.orglett.3c00680
日期:2023.4.21
A mild and selective C6 arylation strategy for pyrrolo[2,3-d]pyrimidine derivatives with arylboronic acids at room temperature is described. This unified protocol has been achieved by the synergistic combination of Pd(II)/TEMPO catalysis and CF3CO2H promotion under silver-, base-, and additive-free conditions. The broad substrate scope, good functional group tolerance, excellent regioselectivity, and
描述了在室温下吡咯并 [2,3- d ] 嘧啶衍生物与芳基硼酸的温和选择性 C6 芳基化策略。该统一协议是通过 Pd(II)/TEMPO 催化和 CF 3 CO 2 H 促进在无银、无碱和无添加剂的条件下的协同组合实现的。广泛的底物范围、良好的官能团耐受性、出色的区域选择性以及空气和水分耐受性使该过程对于靶向小分子药物的有效合成和修饰具有吸引力。