Journal
ORGANIC LETTERS
Volume 15, Issue 7, Pages 1752-1755Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol400560m
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- ICSN, CNRS
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An efficient copper-catalyzed synthesis of 1,2,4-trisubstituted imidazoles using amidines and terminal alkynes has been developed. Overall, the oxidative process, which Involves Na2CO3, pyridine, a catalytic amount of CuCl2 center dot 2H(2)O, and oxygen (1 atm), consisted of a regioselective diamination of alkynes allowing the synthesis of diverse imidazoles in modest to good yields.
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