Results 51 to 60 of about 18,744 (300)

Redox-Annulations of Cyclic Amines with 2-(2-Oxoethyl)malonates.

Organic Letters, 2018
Amines such as 1,2,3,4-tetrahydroisoquinoline undergo redox-neutral annulations with 2-(2-oxoethyl)malonates in the presence of catalytic amounts of benzoic acid.
Zhengbo Zhu, H. Chandak, D. Seidel
semanticscholar   +1 more source

Quantification of N-acetylcysteamine activated methylmalonate incorporation into polyketide biosynthesis

Beilstein Journal of Organic Chemistry, 2013
Polyketides are biosynthesized through consecutive decarboxylative Claisen condensations between a carboxylic acid and differently substituted malonic acid thioesters, both tethered to the giant polyketide synthase enzymes.
Stephan Klopries, Uschi Sundermann, Frank Schulz   +2 more
doaj   +1 more source

Catalytic Activity of Solution Additive Anions for Magnesite and Calcite Precipitation in Microwave‐Assisted Mineral Carbonation Experiments

Advanced Energy and Sustainability Research, EarlyView.
Demonstrating anion‐catalyzed CO2 mineralization and microwave‐boosted carbonation, this study advances sustainable carbon capture and utilization technologies, mitigating climate change by promoting efficient magnesite and calcite precipitation from eco‐friendly processes.
Marcello Campione, Daniela D’Alessio, Mattia Corti, Giancarlo Capitani, Andrea Lucotti, Matteo Tommasini, Rossella Yivlialin, Lamberto Duò, Gianlorenzo Bussetti, Nadia Malaspina   +9 more
wiley   +1 more source

Exploitation of knowledge databases in the synthesis of zinc(II) malonates with photo-sensitive and photo-insensitive N,N′-containing linkers

IUCrJ, 2018
Photoinitiated solid-state reactions are known to affect the physical properties of coordination polymers, such as fluorescence and sorption behaviour, and also afford extraordinary architectures (e.g. three-periodic structures with polyorganic ligands).
Ekaterina N. Zorina-Tikhonova, Aleksandr S. Chistyakov, Mikhail A. Kiskin, Aleksei A. Sidorov, Pavel V. Dorovatovskii, Yan V. Zubavichus, Eugenia D. Voronova, Ivan A. Godovikov, Alexander A. Korlyukov, Igor L. Eremenko, Anna V. Vologzhanina   +10 more
doaj   +1 more source

Crystal and molecular structure of bis(8-phenylmenthyl) 2-(2-methyl-5-oxo-3-cyclohexen-1-yl)propandioate, C\u3csub\u3e42\u3c/sub\u3eH\u3csub\u3e54\u3c/sub\u3eO\u3csub\u3e5\u3c/sub\u3e• CH\u3csub\u3e3\u3c/sub\u3eCN [PDF]

, 2006
The X-ray crystal structure of the title compound, as crystallized from acetonitrile-water was determined. The relative stereochemistry of the cyclohexenone ring with respect to the 8-phenylmenthyl esters was determined.
Bennett, Dennis W., Chaudhury, Subhabrata, Donaldson, William, Haworth, Daniel T., Siddiquee, Tasneem A.   +4 more
core   +1 more source

Involvement of the leaf-specific multidrug and toxic compound extrusion (MATE) transporter Nt-JAT2 in vacuolar sequestration of nicotine in Nicotiana tabacum [PDF]

, 2014
Alkaloids play a key role in higher plant defense against pathogens and herbivores. Following its biosynthesis in root tissues, nicotine, the major alkaloid of Nicotiana species, is translocated via xylem transport toward the accumulation sites, leaf ...
Goossens, Alain, Hayashida, Minaho, Ito, Shingo, Minami, Shota, Morita, Masahiko, Moriyama, Yoshinori, Moriyasu, Masataka, Omote, Hiroshi, Shitan, Nobukazu, Sugiyama, Akifumi, Takanashi, Kojiro, Yazaki, Kazufumi   +11 more
core   +4 more sources

Enantiopure Chiral Crystals: A Powerful Tool for Absolute Asymmetric Synthesis

Asian Journal of Organic Chemistry, EarlyView.
This review covers absolute asymmetric syntheses, which allow the preparation of enantiomerically enriched chiral compounds from achiral precursors. By exploiting the crystallization of certain compounds as a conglomerate, enantiopure chiral crystals are spontaneously obtained.
Jiacheng Li, Valérie Alezra
wiley   +1 more source

Copper(II)‐Photocatalyzed Radical Anellation of Nitroalkanes with Alkenes or Alkynes for the Synthesis of Isoxazolines and Isoxazoles

Angewandte Chemie International Edition, Accepted Article.
The visible light‐mediated copper(II)‐catalyzed one‐step synthesis of isoxazolines and isoxazoles from readily available ethyl nitroacetate or phenyl nitromethane is reported. The developed protocol eliminates the need for substrate preactivation or additives and offers an extensive scope of activated and unactivated alkenes and alkynes as coupling ...
Sunaina Sardana, Aryaman Pattanaik, Julia Rehbein, Oliver Reiser   +3 more
wiley   +1 more source

Palladium-Catalyzed α-Arylation of Dimethyl Malonate and Ethyl Cyanoacetate with o-Alkoxybromobenzenes for the Synthesis of Phenylacetic Acid, Esters and Phenylacetonitriles

SynOpen, 2017
α-Aryl malonate and α-aryl cyano acetate moieties are found in the structures of many bioactive compounds. They are also key intermediates for the synthesis of many compounds such as isoflavonoids.
José F. Cívicos, Paulo R. R. Costa, Jorge L. O. Domingos   +2 more
doaj   +1 more source

Pursuing Chemical Efficiency by Using Supported Organocatalysts for Asymmetric Reactions under Aqueous Conditions [PDF]

, 2015
Over the past decade, a great effort has been made by the chemical community to improve the efficiency of organic transformations and allow sustainable processes.
Alonso, Diego A., Baeza, Alejandro, Chinchilla, Rafael, Flores Ferrándiz, Jesús, Guillena, Gabriela, Gómez-Martínez, Melania, Trillo Alarcón, María Paz   +6 more
core   +2 more sources