Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
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A New Synthesis of N-Alkyl 4-Methyl-1, 4-dihydropyridines Utilizing sec-Aminodienyl Esters with Crotonaldehyde
Takeshi KOIKE
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2001 Volume 49 Issue 5 Pages 558-562

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Abstract
The reactions of sec-aminodienyl esters 3 with crotonaldehyde (4) afforded N-alkyl 3-[2-(methoxycarbonyl)ethenyl]-4-methyl-1, 4-dihydropyridines 5, providing a new azaelectrocyclization reaction.
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© 2001 The Pharmaceutical Society of Japan
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