Five-Membered Aromatic Heterocycles in Diels-Alder Cycloadditio Reactions: Theoretical Studies as a Complement of the Experimental Researches

Author(s): Romina Brasca , Claudia Della Rosa , Maria Kneeteman , Pedro M.E. Mancini .

Journal Name: Letters in Organic Chemistry

Volume 8 , Issue 2 , 2011

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Abstract:

The dienophilic behavior of electron-deficient substituted five-membered aromatic heterocyclices in polar cycloaddition reactions is studied from a theoretical point of view employing the global electrophilicity index to estimate the electrophilic character of the dienophiles and to compare them with the available experimental information. The type of substitution on the heteroatomic ring is also discussed. Complementary some new reactions of these substrates are described.

Keywords: Five-membered aromatic heterocycles, dienophiles, polar-Diels-Alder, electrophilicity index, five-membered, acetylenedicarboxylate, heterocyclopentadienes, Danishefsky's diene, nitro-substituted, benzothiophene, nitroselenophenes

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Article Details

VOLUME: 8
ISSUE: 2
Year: 2011
Page: [82 - 87]
Pages: 6
DOI: 10.2174/157017811794697511
Price: $58

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