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Seven-Membered Rings by Cyclization at Transition Metals: [4+3], [3+2+2], [5+2]

✍ Scribed by Holger Butenschön

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
314 KB
Volume
47
Category
Article
ISSN
0044-8249

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✍ José Barluenga; Jorge Alonso; Francisco J. Fañanás 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 210 KB 👁 1 views

## Abstract β‐Substituted alkenylcarbene complexes react with methyl ketone lithium enolates to give different carbocyclization products depending on the structure of the lithium enolate, on the metal of the carbene complex, and on the reaction media. Thus, the reactions of aryl and alkyl methyl ke