Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 2, Issue 6, Pages 720-733Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.200600428
Keywords
cyclohexenes; density functional theory; diastereoselectivity; Diels-Alder reactions; multicomponent reactions
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Chiral N-dienyl lactams are crucial building blocks for the synthesis of complex organic compounds. However, their generation is rather challenging. This paper reports on a highly efficient and diastereoselective multicomponent methodology utilizing chiral amides, aldehydes, and dienophiles (AAD reaction). The three components readily react under in situ generation of chiral N-dienyl lactams which undergo a subsequent Diels-Alder reaction. Different chiral amides have been employed in the standard protocol delivering yields up to 94%, and selectivities up to 90% de. Moreover, DFT calculations were performed to explain the obtained selectivities.
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