Publications by authors named "Raju Vaggu"

The insertion of carbene into secondary amide N-H bonds remains underexplored in organic synthesis. In this work, we discovered the visible-light-induced insertion of siloxycarbene into amide N-H bonds. This metal-free, facile reaction proceeds with atom economy under mild conditions with a broad range of secondary N-H amides, including benzanilide, acetanilide, oxindole, isatin, quinolinone, and maleimide, affording stable - and -acetals in excellent isolated yields.

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We herein demonstrate the acylsilane-directed Rh-catalyzed arene C-H bond alkylation with maleimides. The resulting derivatives were utilized in visible-light-induced intramolecular siloxycarbene-amide cyclization for the synthesis of new tricyclic γ-lactams. In parallel, we also harnessed the same acylsilane and maleimide units through [3 + 2] carbo-annulation by using Ru-catalysis.

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