Enantioselective Au‐Catalyzed Synthesis of Thia[5]‐ and Thia[6]helicenes and Their Transformation into Bowl‐shaped Pleiadenes
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202211279
Abstract: A series of helically shaped benzo[b]chryseno[4,3‐d]thiophenes, naphtho[1,2‐b]phenanthro[4,3‐d]thiophenes, and chryseno[3,4‐b]naphtho[1,2‐d]thiophenes is synthesized via a highly enantioselective Au‐catalyzed intramolecular alkyne hydroarylation reaction. The inversion barriers of the structures obtained are determined both theoretically and experimentally, and their… read more here.
Keywords: enantioselective catalyzed; thia; catalyzed synthesis; transformation ... See more keywords
CuO-Nanoparticles Catalyzed Synthesis of 1,4-Disubstituted-1,2,3-Triazoles from Bromoalkenes
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DOI: 10.1007/s12039-018-1452-1
Abstract: A novel and efficient protocol involving commercially available CuO nanoparticles (CNP) as catalyst has been developed for the synthesis of 1,2,3-triazoles. A library of 1,4-disubstituted 1,2,3-triazoles has been constructed with good to excellent yields.Graphical AbstractSynopsisA… read more here.
Keywords: disubstituted triazoles; nanoparticles catalyzed; synthesis disubstituted; cuo nanoparticles ... See more keywords
SBA-Pr-SO3H-catalyzed synthesis of bispyrazole compounds as anti-bacterial agents and inhibitors of phosphorylated RET tyrosine kinase
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-019-01618-1
Abstract: Pyrazolone was prepared through the reaction of ethyl acetoacetate and hydrazine hydrate in EtOH at room temperature. Then, bispyrazole derivatives, as attractive biologically active compounds, were synthesized by reacting two equivalents of prepared pyrazolone and… read more here.
Keywords: so3h catalyzed; kinase; anti bacterial; catalyzed synthesis ... See more keywords
Lipase-Catalyzed Synthesis of Sn-2 Palmitate: A Review
Sign Up to like & getrecommendations! Published in 2020 at "Engineering"
DOI: 10.1016/j.eng.2020.02.008
Abstract: Abstract Human milk fat (HMF) is an important source of nutrients and energy for infants. Triacylglycerols (TAGs) account for about 98% of HMF and have a unique molecular structure. HMF is highly enriched in palmitic… read more here.
Keywords: lipase catalyzed; palmitate; hmf; synthesis palmitate ... See more keywords
Base-catalyzed synthesis of superhydrophobic and antireflective films for enhanced photoelectronic applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2020.02.022
Abstract: Abstract In this work, a facile, cost-effective and environmentally friendly approach is developed to synthesize transparent silica sol for fabricating antireflective (AR) and superhydrophobic (SH) films on soda–lime glass. The transparent silica sol is prepared… read more here.
Keywords: synthesis superhydrophobic; silica; superhydrophobic antireflective; antireflective films ... See more keywords
Mechanistic perspectives on piperidine-catalyzed synthesis of 1,5-benzodiazepin-2-ones
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2020.110774
Abstract: Abstract This work introduced new members to the pharmaceutical family of 1,5-benzodiazepin-2-ones, 2a–e. These compounds were synthesized in moderate yields via the reaction of 1,2-bifunctional substrates (α-cyanocinnamates) with o-phenylenediamine in xylene. The conduction of the… read more here.
Keywords: mechanistic perspectives; catalyzed synthesis; benzodiazepin ones; perspectives piperidine ... See more keywords
Rhodium-catalyzed synthesis of 2,3 – Disubstituted N-methoxy pyrroles and furans via [3+2] cycloaddition between metal carbenoids and activated olefins
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron"
DOI: 10.1016/j.tet.2017.04.007
Abstract: Abstract For the first time, we report the synthesis of 2-substituted N -alkoxy pyrrole 3-carboxylate and furan 3-carboxylate via Rh-catalyzed [3+2] cycloaddition between α-diazo oxime ether or α -diazo carbonyl compounds with vinyl equivalents in… read more here.
Keywords: cycloaddition; rhodium catalyzed; disubstituted methoxy; synthesis disubstituted ... See more keywords
Transition metal-catalyzed synthesis of N, O−Heterocycles via C–H functionalization
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DOI: 10.1016/j.tet.2021.132025
Abstract: ABSTRACT Heterocyclic compounds are widely present in the core structures of several natural products, pharmaceuticals, and agrochemicals. Over the years, synthesis of heterocyclic products via C−H activation in a step and atom-economical manner has won… read more here.
Keywords: metal catalyzed; functionalization; catalyzed synthesis; transition metal ... See more keywords
Copper-catalyzed synthesis of 2-sulfenylindoles from indoline-2-thiones and aryl iodides
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DOI: 10.1016/j.tetlet.2016.12.028
Abstract: A novel and efficient method for synthesis of 2-sulfenylindole via copper-catalyzed coupling reaction of indoline-2-thiones with aryl iodides has been developed. A series of N-substituted and N-free 2-sulfenylindole were obtained in high yields. Furthermore, the… read more here.
Keywords: aryl iodides; indoline thiones; thiones aryl; catalyzed synthesis ... See more keywords
Palladium catalyzed synthesis of mandelate derivatives from arylboronic acids and glyoxylate hemiacetals
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.05.035
Abstract: NHC-coordinated cyclometalated palladium(II) catalyzed addition of arylboronic acids to methyl 2-hydroxy-2-methoxyacetate gave corresponding various functionalized methyl mandelate derivatives in good yields. read more here.
Keywords: synthesis mandelate; palladium catalyzed; arylboronic acids; catalyzed synthesis ... See more keywords
Ultrasound assisted, VOSO4 catalyzed synthesis of 4-thiazolidinones: Antimicrobial evaluation of indazole-4-thiazolidinone derivatives
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.10.070
Abstract: Abstract A simple and expedient multicomponent protocol was developed to synthesize 4-thiazolidinones by employing VOSO 4 as a catalyst under ultrasonic irradiation. The significant features of this protocol includes shorter reaction time, high yields, low… read more here.
Keywords: assisted voso4; synthesis thiazolidinones; thiazolidinones antimicrobial; voso4 catalyzed ... See more keywords