Journal ArticleDOI
2‐Substituted 3‐dimethylamino‐ and ‐3‐cyanopropenoates in the synthesis of heterocyclic systems
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This article is published in Journal of Heterocyclic Chemistry.The article was published on 1999-11-01. It has received 57 citations till now.read more
Citations
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Journal ArticleDOI
Synthesis of heterocycles from alkyl 3-(dimethylamino)propenoates and related enaminones.
Branko Stanovnik,Jurij Svete +1 more
Journal ArticleDOI
Cultivating the Passion to Build Heterocycles from 1,2‐Diaza‐1,3‐dienes: the Force of Imagination
Orazio A. Attanasi,Lucia De Crescentini,Gianfranco Favi,Paolino Filippone,Fabio Mantellini,Francesca R. Perrulli,Stefania Santeusanio +6 more
TL;DR: In this article, the main target of the microreview is to outline some of the reactive peculiarities that make 1,2-diaza-1,3-dienes reactive.
Book ChapterDOI
Recent Progress in 1,2,4-Triazolo[1,5-a]pyrimidine Chemistry
TL;DR: In this paper, the molecular dimensions, molecular spectra, thermodynamic properties, tautomerism, and betain and mesoionic structures of 1,2,4-triazolo[1,5-a]pyrimidines are discussed.
Journal ArticleDOI
Dimethylformamide dimethyl acetal as a building block in heterocyclic synthesis
TL;DR: In this article, the authors focus on the use of dimethylformamide dimethyl acetal in the preparation of heterocyclic compounds via formylation of active methylene groups, methyl groups to give enamines, and amino groups to giving amidines.
Book ChapterDOI
Chapter Two – Recent Advances in Application of Amino Acids: Key Building Blocks in Design and Syntheses of Heterocyclic Compounds
TL;DR: Amino acids have been extensively used as important synthons for the syntheses of a variety of heterocyclic systems, especially for those in which one particular stereoisomer should be obtained via asymmetric synthesis.
References
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Journal ArticleDOI
Methyl 2‐[bis(acetyl)ethenyl]aminopropenoate in the synthesis of heterocyclic systems
Lovro Selic,Branko Stanovnik +1 more
TL;DR: In this paper, 2-aminopyridines and 2-aminoothiazoles derivatives of pyrido[1,2-a]-pyridinone 19 and 2H-1-benzopyran-2-one 20−22 were prepared.
Journal ArticleDOI
Alkyl 2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-dimethylaminopropenoates in the synthesis of heterocyclic systems
TL;DR: Alkyl 2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-dimethylaminopropenoates 4a,b were prepared as discussed by the authors.
Journal ArticleDOI
Methyl 2‐benzoylamino‐3‐dimethylaminopropenoate in the synthesis of heterocyclic systems. An attempt to prepare benzoylamino substituted azolo‐ and azinopyrimidines with a bridgehead nitrogen atom
TL;DR: Methyl 2-benzoylamino-3-dimethylaminopropenoate (2) was introduced as a new reagent for the preparartion of fused pyrimidinones 4 from heterocyclic α-amino compounds in acetic acid as mentioned in this paper.
Journal ArticleDOI
Synthesis and transformations of methyl (E)‐2‐(acetylamino)‐3‐cyanoprop‐2‐enoate und methyl (E)‐2‐(benzoylamino)‐3‐cyanoprop‐2‐enoate, versatile reagents for the preparation of polyfunctional heterocyclic systems
TL;DR: Methyl (E)-2-(acetylamino)-3-cyanoprop-2-enoate (2a), and its 2-benzoyl analog 2b ere prepared from the corresponding methyl (Z)-2-acylamino-3-(dimethylamino)propenoates 1 Multifunctional compounds 2 are versatile synthons for preparation of polysubstituted heterocyclic systems such as pyrroles 4, pyrimidines 5 and 6, pyridazines 7, pyrazoles 8
Journal ArticleDOI
Methyl and Phenylmethyl 2-Acetyl-3-{[2-(dimethylamino)-1-(methoxycarbonyl)ethenyl]amino}prop-2-enoate in the Synthesis of heterocyclic systems: Preparation of 3-amino-4H-pyrido-[1,2-a]pyrimidin-4-ones
TL;DR: In this paper, N3-protected 3-amino-4H-pyrido[1,2-a]pyridin-4-ones were obtained from the corresponding acetoacetic esters.
Related Papers (5)
Synthesis of heterocycles from alkyl 3-(dimethylamino)propenoates and related enaminones.
Branko Stanovnik,Jurij Svete +1 more