Summary.
We report on the addition of dialkyl acetylenedicarboxylate to 1-alkylisatins or tryptanthrine in the presence of triphenylphosphine which leads to highly functionalised novel unsaturated γ-spirolactones.
Similar content being viewed by others
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Azizian, J., Karimi, A., Arefrad, H. et al. Synthesis of Some Novel γ-Spirolactones. Monatshefte für Chemie 135, 729–733 (2004). https://doi.org/10.1007/s00706-003-0120-3
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00706-003-0120-3