摘要
A cascade insertion-nucleophilic annulation reaction of salicyl N-tosylimines with aryne generated in situ from 2-（trimethyl- silyl） aryl triflate and KF-18-crown-6 has been developed, providing 9-aminoxanthenes efficiently in one step.
A cascade insertion-nucleophilic annulation reaction of salicyl N-tosylimines with aryne generated in situ from 2-（trimethyl- silyl） aryl triflate and KF-18-crown-6 has been developed, providing 9-aminoxanthenes efficiently in one step.
基金
the National Natural Science Foundation of China(No.21162022)
the Team Innovation Project of Shihezi University(No.2011ZRKETD-04) for financial support
