Adithi Danda

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A catalytic two-step reaction sequence was developed to access a range of complex heterocyclic frameworks based on biorelevant indole/oxindole scaffolds. The reaction sequence includes catalytic Pictet-Spengler cyclization followed by Au(I) catalyzed intramolecular hydroamination of acetylenes. A related cascade polycyclization of a designed β-carboline(More)
The catalytic addition of the amino acid derived bifunctional N-acylaminophosphine to an α-substituted allene ester generated a zwitterionic dipole that engaged the vinylogous ester function of 3-cyano-chromones in a [4 + 2] annulation reaction to deliver tetrahydroxanthones embodying three consecutive chiral centers in high yields and with excellent(More)
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