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  • Title: Synthesis of multisubstituted furans, pyrroles, and thiophenes via ynolates.
    Author: Shindo M, Yoshimura Y, Hayashi M, Soejima H, Yoshikawa T, Matsumoto K, Shishido K.
    Journal: Org Lett; 2007 May 10; 9(10):1963-6. PubMed ID: 17439135.
    Abstract:
    An efficient synthetic method for the preparation of multisubstituted furans, thiophenes, and pyrroles using ynolates was developed. This novel formal [4 + 1] annulation by C2-C3 and C3-C4 bond formations includes cycloaddition, cyclization, decarboxylation, and dehydration as key steps.
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