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Regioselectivity in Aromatic Claisen Rearrangements

✍ Scribed by Gozzo, Fábio Cesar; Fernandes, Sergio Antonio; Rodrigues, Denise Cristina; Eberlin, Marcos Nogueira; Marsaioli, Anita Jocelyne

Book ID
120337868
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
145 KB
Volume
68
Category
Article
ISSN
0022-3263

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📜 SIMILAR VOLUMES

Enantioselective aromatic Claisen rearra
Enantioselective aromatic Claisen rearrangement
✍ Hisanaka Ito; Azusa Sato; Takeo Taguchi 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 193 KB

The (L-velopment of a highly enantioselective ~omatic Claisen remmlgement was achieved by the reaction of catechol mono allylic ethers with chiral boron reagent 1. This system was also shown to avoid the formation of para rearmagement and abnormal Claisen remrangement products.

ChemInform Abstract: Enantioselective Ar
ChemInform Abstract: Enantioselective Aromatic Claisen Rearrangement.
✍ H. ITO; A. SATO; T. TAGUCHI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 28 KB 👁 2 views

Enantioselective Aromatic Claisen Rearrangement. -Allylic aromatic ethers bearing an (E)-or (Z)-side chain undergo highly enantioselective Claisen rearrangements in the presence of the chiral boron reagent (Ia). The method also avoids the formation of para or abnormal Claisen rearrangement products