Influence of fatty chain length and starch composition on structure and properties of fully substituted fatty acid starch esters.
Sign Up to like & getrecommendations! Published in 2017 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.02.013
Abstract: A series of almost fully substituted Fatty Acid Starch Esters (FASEs) has been obtained in a homogeneous LiCl/DMAc medium by grafting octanoyl (C8), lauroyl (C12) and palmitoyl (C16) chlorides onto 3 starch species: Amylo-Maize, Potato… read more here.
Keywords: chain; fully substituted; chain length; fatty acid ... See more keywords
Cyclic acyl amidines as unexpected C4-donors for fully substituted pyridine ring formation in the base mediated reaction with malononitrile
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2019.06.038
Abstract: Abstract A new one-step, pseudo four-component approach for the synthesis of fully substituted pyridines via ring-opening of the cyclic acyl amidine of 3-amino-1 H -isoindol-1-one and its aza-analogues during the reaction with malononitrile in the… read more here.
Keywords: pyridine ring; cyclic acyl; reaction; reaction malononitrile ... See more keywords
Palladium-Catalyzed Multicomponent Synthesis of Fully Substituted Alkylidene Furanones.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c02578
Abstract: In the presence of a catalytic amount of Pd(OAc)2 and XantPhos, the three-component reaction of ynones, imines, and aryl iodides affords fully substituted alkylidene-furan-3(2H)-ones via a sequence of the Mannich reaction followed by chemo- and… read more here.
Keywords: fully substituted; multicomponent synthesis; synthesis fully; palladium catalyzed ... See more keywords
Regioselective Synthesis of Fully Substituted Fused Pyrroles through an Oxidant-Free Multicomponent Reaction.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.2c03889
Abstract: The synthesis of fully substituted fused pyrroles through a multicomponent reaction between a thioamide, an aldehyde, and ammonium acetate is described. This process improves on a route commonly employed in the patent literature by avoiding… read more here.
Keywords: fused pyrroles; multicomponent reaction; substituted fused; reaction ... See more keywords
Construction of N-Heterocyclic Systems Containing a Fully Substituted Allylic Carbon by Palladium/Phosphine Catalysis.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b03127
Abstract: The unique cyclization of benzamide derivatives that contain an alkyne by a Pd(0)/dialkyl(biaryl)phosphine catalytic system is reported. The reaction efficiently provides a variety of six-membered N-heterocyclic compounds that contain a fully substituted carbon center without… read more here.
Keywords: fully substituted; carbon; phosphine; systems containing ... See more keywords
Copper-Catalyzed Three-Component Cascade Michael Addition/Heck-Type Alkylation/Annulation: Accessing Fully Substituted 1,3-Dihydro-2H-pyrrol-2-ones.
Sign Up to like & getrecommendations! Published in 2019 at "Organic letters"
DOI: 10.1021/acs.orglett.9b03189
Abstract: We report a highly efficient copper-catalyzed three-component reaction of alkylamines, acetylenedicarboxylates, and α-bromocarbonyls for the assembly of fully substituted 1,3-dihydro-2H-pyrrol-2-ones. A variety of alkylamines and ammonium salt are functionalized with acetylenedicarboxylates and α-bromocarbonyls. N-aryl enaminoesters… read more here.
Keywords: fully substituted; substituted dihydro; dihydro pyrrol; catalyzed three ... See more keywords
DBU-mediated [4 + 2] annulations of donor–acceptor cyclopropanes with 3-aryl-2-cyanoacrylates for the synthesis of fully substituted anilines
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
DOI: 10.1039/c7ra07230a
Abstract: A facile synthesis of fully substituted anilines by the DBU-mediated [4 + 2] annulation of donor–acceptor 1,1-dicyano-cyclopropanes with 3-aryl-2-cyanoacrylate has been developed. This reaction involves a highly efficient multiple domino sequence consisting of ring opening… read more here.
Keywords: substituted anilines; fully substituted; synthesis fully; donor acceptor ... See more keywords
Stereoselective synthesis of fully substituted ethylenes via an Ag-catalyzed 1,6-nucleophilic addition/annulation cascade.
Sign Up to like & getrecommendations! Published in 2020 at "Chemical communications"
DOI: 10.1039/c9cc10022a
Abstract: A catalytic 1,6-nucleophilic addition/annulation cascade was developed for the first time, and used to produce 27 hitherto unreported ethylene-linked 1-naphthol-imidazole pairs with generally good yields and complete stereoselectivity. An Ag2O-catalyzed reaction of yne-allenone esters with… read more here.
Keywords: fully substituted; annulation cascade; addition; synthesis fully ... See more keywords
Domino synthesis of fully substituted pyridines by silver-catalyzed chemoselective hetero-dimerization of isocyanides
Sign Up to like & getrecommendations! Published in 2020 at "Organic chemistry frontiers"
DOI: 10.1039/c9qo01333d
Abstract: A silver-catalyzed hetero-dimerization of various vinyl isocyanides with isocyanoacetamides has been developed. This multistep domino reaction provides a facile protocol for the expedient synthesis of fully substituted pyridines in a single operation from readily available… read more here.
Keywords: silver catalyzed; fully substituted; substituted pyridines; synthesis fully ... See more keywords
Atom-economic and stereoselective catalytic synthesis of fully substituted enol esters/carbonates of amides in acyclic systems enabled by boron Lewis acid catalysis
Sign Up to like & getrecommendations! Published in 2023 at "Chemical Science"
DOI: 10.1039/d3sc01394d
Abstract: Carboacyloxylation of internal alkynes is emerging as a powerful and straightforward strategy for enol ester synthesis. However, the reported examples come with limitations, including the utilization of noble metal catalysts, the control of regio- and… read more here.
Keywords: synthesis; enol; lewis acid; enol esters ... See more keywords
Zinc-catalyzed multicomponent reactions: Facile synthesis of fully substituted pyridines
Sign Up to like & getrecommendations! Published in 2018 at "Synthetic Communications"
DOI: 10.1080/00397911.2018.1463545
Abstract: Abstract A first example of environmentally benign zinc complex catalyzed one-pot four-component reaction between malononitrile, ketone, ammonium acetate and aromatic aldehyde for the facile synthesis of fully substituted pyridines just within 2 min in environmentally friendly… read more here.
Keywords: fully substituted; substituted pyridines; facile synthesis; synthesis fully ... See more keywords