期刊
TETRAHEDRON
卷 94, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2021.132316
关键词
Diels-Alder; 1-amino-1; 3-dienes; 1; 2-dihydropyridines; 2-pyridones; Vinylic heterocycles
资金
- Spanish Ministerio de Ciencia, Innovacion y Universidades [CTQ2016-81893REDT, RED2018-102387-T]
- Spanish Ministerio de Economia, Industria y Competitividad [CTQ2016-76782-P, CTQ2016-80375-P, CTQ2017-82935-P, PID2019-107268GB-I00]
- Generalitat Valenciana [PROMETEOII/2014/017]
- University of Alicante
- Agencia Estatal de Investigacion (AEI) [CTQ2016-76782-P, CTQ2016-80375-P, CTQ2017-82935-P, PID2019-107268GB-I00]
- Fondo Europeo de Desarrollo Regional (FEDER, EU) [CTQ2016-76782-P, CTQ2016-80375-P, CTQ2017-82935-P, PID2019-107268GB-I00]
This paper explores the Diels-Alder reactions of various 1-amino-1,3-dienes with dienophiles, focusing on the synthesis of polycyclic nitrogen-containing heterocycles, particularly alkaloids. The methodology presented here offers a simple and selective approach to obtaining N-containing heterocyclic compounds in a single step, creating multiple carbon-carbon bonds in a regio-, diastereo-, and enantioselective manner.
In this account, Diels-Alder reactions of different 1-amino-1,3-dienes with dienophiles are considered. As 1-amino-1,3-dienes, dienamines, dienamides, 1,2-dihydropyridines, 2-pyridones and vinylic heterocycles, such as vinyl-pyrroles, pyrazoles, imidazoles, indoles, tetrahydropyridines and dihydropyridones are studied. As dienophiles, enals, acrylic, maleic and fumaric derivatives, quinones, tetracyanoethylene, dialkyl acetylenedicarboxylates, nitroolefins, nitrosobenzene and azocompounds play an important role. Synthetic applications of these inter or intramolecular, racemic or enantioselective reactions in order to prepare polycyclic nitrogen-containing heterocycles, are pointed out, specially in the preparation of naturally occurring and biologically active compounds mainly alkaloids. The most significant feature of the chemistry described in this account is the fact that this methodology represents a simple and selective way to get N-containing heterocyclic compounds in only one reaction step, creating at least two carbon-carbon bonds in a regio-, diastereo-and enantioselective fashion. (c) 2021 Elsevier Ltd. All rights reserved.
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