Asymmetric Catalysis of Diels-Alder Cycloaddition of 2-Alkenoyl Pyridine with Cyclopentadiene by Binaphthol-Titanium Complex

Author(s): Li Wang , Ji Zhang , Na Wang , Xin-Bin Yang , Qin Wang , Xiao-Qi Yu .

Journal Name: Letters in Organic Chemistry

Volume 6 , Issue 5 , 2009

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Abstract:

Asymmetric Diels-Alder reactions between aza-chalcone and cyclopentadiene (CP) catalyzed by the binaphthol-titanium (BINOL – Ti) in the presence of HMPA (80 mole %) were studied. The products were obtained with up to 87% ees.

Keywords: Diels-Alder reaction, 2-alkenoyl pyridine, binaphthol-titanium complex, catalyst, aza-chalcone, cycloaddition

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Article Details

VOLUME: 6
ISSUE: 5
Year: 2009
Page: [392 - 396]
Pages: 5
DOI: 10.2174/157017809788681419
Price: $58

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