GLYCOLURILS IN THE SYNTHESIS OF FUSED POLYHETEROCYCLIC COMPOUNDS
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/3585
Abstract: We present a comprehensive analysis of data published over the last decade about the methods applicable to the synthesis of fused polyheterocyclic compounds on the basis of glycolurils. Authors: Yana A. Barsegyan*, Vladimir V. Baranov,… read more here.
Keywords: polyheterocyclic compounds; glycolurils synthesis; fused polyheterocyclic; compounds glycolurils ... See more keywords
Glycolurils in the synthesis of fused polyheterocyclic compounds
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-017-2029-5
Abstract: We present a comprehensive analysis of data published over the last decade about the methods applicable to the synthesis of fused polyheterocyclic compounds on the basis of glycolurils. read more here.
Keywords: polyheterocyclic compounds; glycolurils synthesis; fused polyheterocyclic; compounds glycolurils ... See more keywords
Copper(II)-catalyzed-α-C(sp3)-H activation of cyclic amines: A simple and efficient strategy for the synthesis of fused pyrazole derivatives
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2018.10.017
Abstract: Abstract In this paper, we have described a simple and efficient strategy for the synthesis of fused pyrazole derivatives. The key steps of our strategy involves hydroamination, copper-catalyzed cross dehydrogenative coupling (CDC) followed by aromatization… read more here.
Keywords: pyrazole derivatives; fused pyrazole; strategy; synthesis fused ... See more keywords
Carbonylative Synthesis of Fused Quinoxalinones via Palladium-Catalyzed Cascade Cyclization of 2-Heteroaryl Iodobenzene and NaN3.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.3c01466
Abstract: A facile and straightforward approach for the synthesis of fused quinoxalinones via palladium-catalyzed cascade carbonylative cyclization of 2-heteroaryl iodobenzene and NaN3 has been achieved. The transformation might undergo cascade carbonylation, formation of acyl azide, a… read more here.
Keywords: quinoxalinones via; palladium catalyzed; synthesis fused; fused quinoxalinones ... See more keywords
Trifluoroacetic Acid-Mediated Oxidative Self-Condensation of Acetophenones in the Presence of SeO2: A Serendipitous Approach for the Synthesis of Fused [1,3]Dioxolo[4,5-d][1,3]dioxoles
Sign Up to like & getrecommendations! Published in 2021 at "ACS Omega"
DOI: 10.1021/acsomega.1c01466
Abstract: A method for the synthesis of fused 1,3-dioxolanes was developed by self-condensation of glyoxal generated in situ by oxidation of acetophenones with SeO2 in the presence of trifluoroacetic acid. Three molecules of the glyoxal generated… read more here.
Keywords: synthesis fused; self condensation; trifluoroacetic acid; presence ... See more keywords
Catalyst-free synthesis of fused 1,2,3-triazole and isoindoline derivatives via an intramolecular azide–alkene cascade reaction
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DOI: 10.1039/c6gc01553k
Abstract: Benzyl bromides bearing an ortho-substituted α,β-unsaturated ketone moiety are found to be promising precursors for the synthesis of fused 1,2,3-triazole and isoindoline derivatives via an intramolecular azide–alkene cascade reaction under catalyst free conditions. Fused 1,2,3-triazole… read more here.
Keywords: fused triazole; isoindoline derivatives; triazole isoindoline; reaction ... See more keywords
Additive-free synthesis of fused tricyclic cyanoisoxazolidines using in situ formed cyanonitrones.
Sign Up to like & getrecommendations! Published in 2023 at "Chemical communications"
DOI: 10.1039/d2cc05831f
Abstract: Herein, we disclose the first report on the generation of cyanonitrone in situ from diazoacetonitrile and nitrosoarene, and its subsequent [3+2] cycloaddition with oxabicyclic alkenes to access fused tricyclic cyanoisoxazolidines. Further, this methodology could be… read more here.
Keywords: situ; additive free; synthesis fused; fused tricyclic ... See more keywords
NBS-induced intramolecular annulation reactions for the divergent synthesis of fused- and spirocyclic indolines.
Sign Up to like & getrecommendations! Published in 2023 at "Chemical communications"
DOI: 10.1039/d3cc01920a
Abstract: An NBS-induced intramolecular annulation of 3-(1H-indol-3-yl)-N-alkoxypropanamide is described. The reactions proceed well and quickly under mild conditions with the help of a base. It was found that C2-substituents on the indole ring in 3-(1H-indol-3-yl)-N-alkoxypropanamide have… read more here.
Keywords: nbs induced; intramolecular annulation; induced intramolecular; divergent synthesis ... See more keywords
Enantio- and diastereodivergent synthesis of fused indolizines enabled by synergistic Cu/Ir catalysis
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DOI: 10.1039/d3sc00118k
Abstract: Highly diastereo-/enantioselective assembly of 2,3-fused indolizine derivatives could be easily available through a cascade allylation/Friedel–Crafts type reaction enabled by a synergistic Cu/Ir catalysis. This designed protocol provides an unprecedented and facile route to enantioenriched indolizines… read more here.
Keywords: diastereodivergent synthesis; synthesis fused; enantio diastereodivergent; synergistic catalysis ... See more keywords
Simple Synthesis of Fused Thiazolo[4,5-b]pyridines through Successive SNAr Processes
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DOI: 10.1055/s-0040-1705960
Abstract: A convenient process is described for the synthesis of novel thiazolo[4,5-b]pyridines fused with triazole or pyrimidine rings. The base-promoted reactions of 2-chloro-3-nitropyridines with 1,3-(S,N)-binucleophiles (triazole-5-thiols, 4-oxopyrimidine-2-thiones) resulted in nucleophilic substitution of the chlorine atom and… read more here.
Keywords: thiazolo pyridines; fused thiazolo; pyridines successive; simple synthesis ... See more keywords
Montmorillonite K10-catalyzed synthesis of N-fused imino-1,2,4-thiadiazolo isoquinoline derivatives
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DOI: 10.1080/00397911.2018.1448419
Abstract: ABSTRACT A novel synthesis of N-fused imino-1,2,4-thiadiazolo derivatives is described. This approach involves the inexpensive, nontoxic, recoverable, and easy to handle montmorillonite K10 that catalyzes the coupling of 3-aminoisoquinolines and phenylisothiocyanates to afford the N-fused… read more here.
Keywords: synthesis fused; montmorillonite k10; fused imino; imino thiadiazolo ... See more keywords