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Cu (I) Catalyzed One Pot SN‐Click Reactions of Halogenated Coumarins and 1‐aza‐coumarins |
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| Abstract: | A one pot three component, copper catalyzed azide‐alkyne cycloaddition reaction has been employed for the synthesis of bis‐coumarinyl triazoles ( A – D ) using 4‐chloro, 4‐bromomethyl, 3‐bromoacetyl and 4‐bromomethyl‐1‐aza‐coumarins ( I – IV ), sodium azide, and coumarin propargyl ethers ( V – IX ) in moderate yields. |
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