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Updated: Jun 30, 2026

Efficient Construction of Drug-like Bispirocyclic Scaffolds Via Organocatalytic Cycloadditions of α-Imino γ-Lactones and Alkylidene Pyrazolones
Published on: February 7, 2019
A synthesis of (-)-mintlactone
1Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, 21 Nanyang Link, Nanyang Technological University, Singapore 637371. roderick@ntu.edu.sg
Abstract:
Mintlactone is synthesized in a concise and efficient way by using a highly diastereoselective intramolecular propargylic Barbier reaction, followed by an allenol cyclocarbonylation. Tin(II) chloride is found to be the most effective reagent for the Barbier reaction.
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