Ring Synthesis by Stereoselective, Methylene-Free Enyne Cross Metathesis

Tandem enyne metathesis between 1-alkynes and 1,5-cyclooctadiene or all-cis-1,4-polybutadiene resulted in a direct, one-step ring synthesis of cyclohexadienes by methylene-free metathesis. The use of methylene-free metathesis conditions provided apparent Z-selectivity in the intermolecular enyne met...

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Veröffentlicht in:	Journal of the American Chemical Society 2004-07, Vol.126 (26), p.8110-8111
Hauptverfasser:	Kulkarni, Amol A, Diver, Steven T
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkadienes - chemical synthesis Alkadienes - chemistry Alkylation Alkynes - chemistry Catalysis Chemistry Cyclization Cyclohexanes - chemistry Cyclohexenes Cyclooctanes - chemistry Exact sciences and technology Hydrocarbons Kinetics and mechanisms Magnetic Resonance Spectroscopy Methane - analogs & derivatives Methane - chemistry Molecular Structure Organic chemistry Reactivity and mechanisms Stereoisomerism
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Beschreibung
Zusammenfassung:	Tandem enyne metathesis between 1-alkynes and 1,5-cyclooctadiene or all-cis-1,4-polybutadiene resulted in a direct, one-step ring synthesis of cyclohexadienes by methylene-free metathesis. The use of methylene-free metathesis conditions provided apparent Z-selectivity in the intermolecular enyne metathesis step.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja0476922