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Metal Free Regioselective Chloroazidation of Internal Alkynes.

Bin Huang,Raphael Liffert,Anthony Linden,Karl Gademann

CHEMISTRY-A EUROPEAN JOURNAL（2019）

Cited 7|Views16
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Abstract
A metal-free, room temperature protocol for the regioselective chloroazidation of internal alkynes is disclosed. The reactions of internal alkynes with trimethylsilyl azide (TMSN3) in the presence of 1,3-dichloro-5,5-dimethylhydantoin (DCDMH) afforded the corresponding chloroazidoalkenes in good yields. This reaction has good functional group tolerance and is operationally simple.
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Key words
alkynes,chloroazidation,metal-free,regioselectivity
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