WITHDRAWN: Synthesis of Novel Coumarin Derivatives from N,N-dimethylbarbituric Acid and Dimedone via Domino Knöevenagel Hetero-Diels–Alder Reactions

Abstract 15, October, 2026. The full text of this preprint has been withdrawn by the authors as it was submitted and made public without the full consent of all the authors. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author.