Cascade Cyclization of o‑(2-Acyl-1-ethynyl)benzaldehydes with Amino Acid Derivatives: Synthesis of Indeno[2,1‑c]pyran-3-ones and 1 Oxazolonylisobenzofurans via the Erlenmeyer−Plöchl Azlactone Reaction.

Cascade Cyclization of o‑(2-Acyl-1-ethynyl)benzaldehydes with Amino Acid Derivatives: Synthesis of Indeno[2,1‑c]pyran-3-ones and 1 Oxazolonylisobenzofurans via the Erlenmeyer−Plöchl Azlactone Reaction.

Worayuthakarn R, Suddee N, Theppitak C, Chainok K, Ruchirawat S, Thasana N*.

ACS Omega. 2024;-.