Journal
HETEROCYCLES
Volume 91, Issue 11, Pages 2172-2179Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-15-13311
Keywords
Rhenium Complex; Isocoumarin; 6-endo-Intramolecular Cyclization; 2-Ethynylbenzoic Acid
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Funding
- Kansai University Research Grants
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When 2-ethynylbenzoic acids were treated with a catalytic amount of a rhenium complex, such as ReCl(CO())5, 6-endo cyclization of 2-ethynylbenzoic acids proceeded with a high selectivity to give the corresponding isocoumarins in moderate to good yields.
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