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Nickel(0)-Mediated [3+2+2] and [2+2+2+1] Cyclization Reactions of Chromium Fischer Carbene Complexes and Alkynes

✍ Scribed by José Barluenga; Pablo Barrio; Luis A. López; Miguel Tomás; Santiago García-Granda; Carmen Alvarez-Rúa


Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
140 KB
Volume
115
Category
Article
ISSN
0044-8249

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Ring-Opening Reactions of 2-Lithio-1,3-d
✍ Prof. Dr. Helgard G. Raubenheimer; Prof. Dr. Ernst Otto Fischer; Priv.-Doz. Dr. 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 219 KB 👁 1 views

the line-shape changes allow the detection of two different dynamic processes, which may be assigned to inhibited rotations about the partial C C and C N double bonds of the E-isomers (Scheme 2). Above ca. 0°C conversion into the isomer with Z-configurated CC double bond, which contains an intramol