Ni(II)/tBu-SMI-PHOX catalyzed enantioselective addition of arylboronic acids to cyclic N-sulfonyl aldimines
作者： Rui Sun , Zhongxuan Qiu , Guorui Cao , Dawei Teng
DOI: 10.1016/J.TET.2020.131201
关键词:
摘要: Abstract An efficient Ni(ClO4)2·6H2O/SMI-PHOX catalyzed enantioselective addition of arylboronic acids to cyclic N-sulfonyl aldimines is envisioned afford excellent enantioselectivities (up 99% ee) in high yields 98%). This protocol offers new opportunities for the synthesis chiral benzosultams containing a stereogenic tertiary carbon center. The highlights this method include mild reaction conditions, use cheap metal catalyst and wide substrate scope.
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