重氮
部分
配体(生物化学)
化学
区域选择性
组合化学
级联
催化作用
立体化学
光化学
有机化学
受体
色谱法
生物化学
作者
Guangyang Xu,Chenghao Zhu,Wei-Jin Gu,Jian Li,Jiangtao Sun
标识
DOI:10.1002/anie.201409845
摘要
Abstract An unprecedented gold‐catalyzed ligand‐controlled cross‐coupling of diazo compounds by sequential selective denitrogenation and cyclization affords N‐substituted pyrazoles in a position‐switchable mode. This novel transformation features selective decomposition of one diazo moiety and simultaneous preservation of the other one from two substrates. Notably, the choice of the ancillary ligand to the gold complex plays a pivotal role on the chemo‐ and regioselectivity of the reactions.
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