Abstract
A simple synthetic method for 5H-pyrido[4, 3-b]indole (γ-carboline) derivatives having a methoxycarbonyl group at the 4-position was developed based on 1-hydroxyindole chemistry. By applying the method, various 3-substituted metyl 5H-pyrido[4, 3-b]indole-4-carboxylates and 2-substituted methyl 2, 3-dihydro-3-oxo-5H-pyrido[4, 3-b]indole-4-carboxylates were prepared.
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