FeNH4(SO4)2·12H2O (alum)-catalyzed preparation of 1,4-dihydropyridines: improved conditions for the Hantzsch reaction
FeNH 4 (SO 4 ) 2 ·12H 2 O (alum) efficiently catalyzes the one-pot three-component reaction of dimedone, aldehydes, and 3-aminocrotonate to afford 1,4-dihydropyridines. The work-up is easy, and the products are obtained in good to excellent yields and high purity. Graphical abstract
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Published in | Monatshefte für Chemie Vol. 143; no. 6; pp. 931 - 933 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Vienna
Springer Vienna
2012
|
Subjects | |
Online Access | Get full text |
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Summary: | FeNH
4
(SO
4
)
2
·12H
2
O (alum) efficiently catalyzes the one-pot three-component reaction of dimedone, aldehydes, and 3-aminocrotonate to afford 1,4-dihydropyridines. The work-up is easy, and the products are obtained in good to excellent yields and high purity.
Graphical abstract |
---|---|
Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0026-9247 1434-4475 |
DOI: | 10.1007/s00706-011-0672-6 |