PALLADIUM-CATALYZED HETEROANNULATION WITH TERMINAL ALKYNES - SYNTHESIS OF PHTHALIDES

Citation
Ng. Kundu et al., PALLADIUM-CATALYZED HETEROANNULATION WITH TERMINAL ALKYNES - SYNTHESIS OF PHTHALIDES, Journal of the Chemical Society. Perkin transactions. I, (3), 1998, pp. 561-568
Citations number
84
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
0300922X
Issue
3
Year of publication
1998
Pages
561 - 568
Database
ISI
SICI code
0300-922X(1998):3<561:PHWTA->2.0.ZU;2-V
Abstract
The palladium-copper-catalysed heteroannulation of o-iodobenzoic acid 3 with terminal alkynes 4-18 leads to the synthesis of (Z)-3-alkyliden ephthalides 19-33 as the major products. In certain cases, the formati on of isocoumarins 34-37 is also observed.