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Pauson-Khand reaction with allenic compounds I: Synthesis of 4-alkylidene-2-cyclopentenones

✍ Scribed by Mohammed Ahmar; Frédéric Antras; Bernard Cazes

Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
231 KB
Volume
36
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES

Pauson–Khand Reaction of Allenic Hydroca
Pauson–Khand Reaction of Allenic Hydrocarbons: Synthesis of 4-Alkylidenecyclopentenones
✍ Frédéric Antras; Stéphane Laurent; Mohammed Ahmar; Henry Chermette; Bernard Caze 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 895 KB

## Abstract The carbonyldicobalt‐mediated alkyne/allene/CO cocyclization gives 4‐alkylidenecyclopentenones as the major [2+2+1] cycloadducts. The regio‐ and stereoselectivities depend mainly on the substitution pattern of both the alkyne and the allenic moieties, which can be rationalized using the