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
One‐Step Nickel‐Catalyzed Synthesis of Alpha‐Arylidene and Gamma Hydroxy‐Substituted N‐Methyl‐2‐Pyrrolidones
Sign Up to like & getrecommendations! Published in 2024 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.202400070
Abstract: This study describes a method to synthesize compounds with an arylidene group at the alpha position of N‐methyl‐2‐pyrrolidone (NMP) and an alcohol group at the gamma position in a single‐step reaction using NMP and an… read more here.
Keywords: catalyzed synthesis; one step; step; synthesis alpha ... See more keywords
Copper‐Catalyzed Synthesis of Sulfinic Esters via Oxidative Coupling of Thiols or Disulfides with Alcohols
Sign Up to like & getrecommendations! Published in 2024 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.202400131
Abstract: The copper‐catalyzed coupling of thiols with alcohols was achieved under air atmosphere. The reaction proceeded smoothly in the presence of a base such as Cs2CO3 or Rb2CO3 affording sulfinic esters in good yields. Furthermore, disulfides… read more here.
Keywords: catalyzed synthesis; sulfinic esters; copper catalyzed; coupling thiols ... See more keywords
NHC‐Rhodium‐Catalyzed Synthesis of Novel Silsesquioxanes Containing S‐Si and S‐Ge Bonds and Their Application in Hydrosilylation Process
Sign Up to like & getrecommendations! Published in 2024 at "ChemCatChem"
DOI: 10.1002/cctc.202301649
Abstract: The efficient and straightforward NHC‐rhodium‐catalyzed thiol‐silane and thiol‐germanane coupling reactions, leading to new classes of functionalized SQ‐based materials, are presented for the first time. The proposed strategies use commercially available reagents and show a broad… read more here.
Keywords: nhc rhodium; catalyzed synthesis; synthesis novel; rhodium catalyzed ... See more keywords
Nickel‐Catalyzed Synthesis of Thioesters from Amides and Disulfides
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202400026
Abstract: A novel nickel‐catalyzed practical and simple synthesis of thioesters from amides and disulfides has been developed. Diverse substituted aromatic amides are capable of coupling with diaryl or dialkyl disulfides via C‐N/S‐S bonds cleavage to produce… read more here.
Keywords: catalyzed synthesis; amides disulfides; thioesters amides; synthesis thioesters ... See more keywords
Cu‐Catalyzed Synthesis of [1,2,3]triazolo[1,5‐c]quinazolin‐5(6H)‐one Derivatives via Sequential Reaction of Ethyl‐2‐(2‐oxoindolin‐3‐ylidene)acetate with Sodium Azide
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202400443
Abstract: Herein, we report a novel and efficient method for the synthesis of new class of 5‐oxo‐5,6‐dihydro‐[1,2,3]triazolo[1,5‐c]quinazoline derivatives by copper‐catalyzed reaction of α, β‐unsaturated keto/ester methyleneindolinone with sodium azide in room temperature via an azide‐alkene cyclization… read more here.
Keywords: reaction; catalyzed synthesis; triazolo; synthesis ... See more keywords
Gold‐catalyzed synthesis of substituted 4‐pentafluorosulfanyl‐1,3‐oxazoles
Sign Up to like & getrecommendations! Published in 2025 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202500348
Abstract: We report the first synthesis of pentafluorosulfanylated oxazoles through a gold(I) catalyzed cyclization of SF5‐alkynes and nitriles. We describe 17 examples of 4‐SF5‐oxazoles with NMR yield ranging from 3% to 75%. While the isolation of… read more here.
Keywords: catalyzed synthesis; oxazoles gold; synthesis substituted; substituted pentafluorosulfanyl ... See more keywords
CuO-Nanoparticles Catalyzed Synthesis of 1,4-Disubstituted-1,2,3-Triazoles from Bromoalkenes
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Chemical Sciences"
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