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Start Over Author "Guangzhen Liu" Journal organic letters
2 results on '"Guangzhen Liu"'

1. Lewis Acid Promoted Tandem Intermolecular Diels−Alder/Intramolecular Allylation Reactions of Silyl-Substituted 1,3-Butadienes Leading to Multisubstituted 7-Norbornenones and Related Polycyclic Compounds

Author

Guangzhen Liu, Qiaoshu Hu, Dongzhen Li, Chao Wang, and Zhenfeng Xi

Subjects
Boron Compounds, Models, Molecular, Silylation, Trimethylsilyl, Chemistry, fungi, Organic Chemistry, food and beverages, Maleic anhydride, Biochemistry, Medicinal chemistry, Cycloaddition, Adduct, carbohydrates (lipids), chemistry.chemical_compound, X-Ray Diffraction, Intramolecular force, Butadienes, Moiety, Polycyclic Compounds, Lewis acids and bases, Physical and Theoretical Chemistry
Abstract

7-Norbornenones of exo,exo-disubstituted patterns were formed highly selectively in good yields from Lewis acid-promoted tandem intermolecular Diels-Alder/intramolecular allylation reactions. The intermolecular Diels-Alder reaction between 1,4-bis(trimethylsilyl)-1,3-butadienes or 1-trimethylsilyl-1,3-butadienes with maleic anhydride in the presence of newly sublimed AlCl3 afforded their corresponding cycloaddition adducts, which underwent AlCl3-mediated intramolecular allylation of the carbonyl group by the in situ generated allylsilane moiety affording 7-norbornenones of exo,exo-disubstituted patterns.

Published
2007
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