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Highly Regio- and Stereoselective Synthesis of Tetrasubstituted Cyclobutenes via Cyclodimerization of Alkynes Mediated by Zirconium

✍ Scribed by Liu, Yuanhong; Liu, Meina; Song, Zhiquan


Book ID
121504904
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
54 KB
Volume
127
Category
Article
ISSN
0002-7863

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Regio- and Stereoselective Synthesis of
✍ Miwako Mori πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 347 KB

## Abstract Carbon dioxide (CO~2~) is a useful C‐1 unit resource in synthetic organic chemistry. It was known that a low‐valent nickel complex could coordinate to CO~2~ to form an oxanickelacyclopropane, which reacts with a terminal alkyne to form an oxanickelacyclopentene. Transmetalation of the o