November 2, 1999Organic Letters311 citations
View Full PaperSynthesis of Trisubstituted Alkenes via Olefin Cross-Metathesis
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Abstract
formula: see text Trisubstituted alkenes have been prepared for the first time via intermolecular olefin cross-metathesis, using 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene ruthenium alkylidene complexes 3a,b in good yields with moderate E selectivity. In addition, protected alcohols near the geminal disubstituted olefin improve reactivity for cross-metathesis.