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Asymmetric synthesis of axially chiral 1,1′:5′,1″- and 1,1′:4′,1″-ternaphthalenes by asymmetric cross-coupling with a chiral ferrocenylphosphine-nickel catalyst

✍ Scribed by Tamio Hayashi; Keiichi Hayashizaki; Yoshihiko Ito


Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
213 KB
Volume
30
Category
Article
ISSN
0040-4039

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## Abstract magnified image Asymmetric 1,3‐dipolar cycloadditions of chiral nitrones to 1‐propene‐1,3‐sultone (**1**) were investigated. Chiral nitrones **6a‐e** reacted with sultone **1** in toluene at 90 °C for 24‐36 h to give the corresponding isoxazolidines in moderate yields with high regiose