l-(−)-Quebrachitol (QCT) has been found as a ligand of copper powder for selective N-arylation of nitrogen-containing heterocycles with aryl halides. Furthermore, another potential catalytic system (copper powder/QCT/t-BuOK) was successfully adapted to unactivated aryl chlorides.
已经发现1 -(-)-
木糖醇(QCT)作为
铜粉的
配体,用于含氮杂环与芳基卤化物的选择性N-芳基化。此外,另一种潜在的催化体系(
铜粉/ QCT / t- BuOK)已成功地用于未活化的芳基
氯化物。