Catalytic conjugate addition of indole to α,β-unsaturated ketones by Co(ClO4)2 6H2O/bis-Schiff base

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Co(ClO4)2·6H2O/bis-Schiff base complexes promoted the conjugate addition of indole to α,β-unsaturated ketones under mild conditions,giving the corresponding addition products with high yields.And the complex has been characterized with XRD and IR.
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