• Stanovnik, B. and Svete, J. (2004) Synthesis of Heterocycles from Alkyl 3-(Dimethylamino)Propenoates and Related Enaminones. (scirp.org)
  • Microwave‐Assisted Synthesis of Heterocycles from Aryldiazoacetates. (uit.no)
  • Here, we show an electrochemical dehydrogenative method in which ammonia is inserted directly into alkenes to build aromatic N -heterocycles in a single step without the use of any external oxidant. (nature.com)
  • The classic syntheses of aromatic N -heterocycles are frequently conducted with condensation reactions using pre-oxidized materials. (nature.com)
  • Despite these achievements, electricity has not fulfilled the task of sewing NH 3 and alkene to aromatic N -heterocycles. (nature.com)
  • Fig. 1: Comparison of protocols to construct aromatic N -heterocycles from alkenes. (nature.com)
  • In this work, we report the insertion of ammonia into carbon skeletons to build diverse aromatic N -heterocycles via a multiple electron transfer pathway involving hydrogen evolution with up to 99.2% theoretical atom economy. (nature.com)
  • Reaction of aromatic azides with strong acids: Formation of fused nitrogen heterocycles and arylamines" (PDF). (wikipedia.org)
  • The discovery is a major leap forward in synthetic aromatic substitution chemistry. (acs.org)
  • Despite the ubiquity of stacking interactions between heterocycles and aromatic amino acids in biological systems, our ability to predict their strength, even qualitatively, is limited. (chemrxiv.org)
  • We show that the values of these descriptors, and therefore the strength of stacking interactions with aromatic amino acid side chains, follow simple predictable trends and can be modulated by changing the number and distribution of heteroatoms within the heterocycle. (chemrxiv.org)
  • Review of aromatic chemistry. (bath.ac.uk)
  • The synthesis has been accomplished starting from aromatic nitrogen heterocycles in three steps. (degruyter.com)
  • Owing to the significance of nitrogen-containing molecules, the incorporation of nitrogen atoms into organic molecules through C-N bond formation is a critically important process in organic chemistry. (thieme.de)
  • A nitrenium ion (also called: aminylium ion or imidonium ion (obsolete)) in organic chemistry is a reactive intermediate based on nitrogen with both an electron lone pair and a positive charge and with two substituents (R2N+). (wikipedia.org)
  • A new class of bimetallic reagents now uses enzyme-inspired reversible metal coordination, instead of covalent bonding, to achieve C-H activation and functionalization in nitrogen heterocycles, with no need to preinstall or later remove a directing group. (acs.org)
  • D 1979 %J Chemische Berichte %K ESR boron heterocycle;NMR heterocycle;radical heterocycle;tetraazadiboracyclohexane ion ion;triazodiboracyclopentane nitrogen radical %N 7 %P 2494--2502 %T Chemistry of boron. (uni-stuttgart.de)
  • NMR and ESR spectroscopic investigations on five- and six-membered boron-nitrogen heterocycles %V 112 %X Heterocycles I, contg. (uni-stuttgart.de)
  • biburl = {https://puma.ub.uni-stuttgart.de/bibtex/25d595ba67ad1538b4e5f393886bb9fac/huebleriac}, interhash = {8f51f1679a0552c7891fb06bec291f73}, intrahash = {5d595ba67ad1538b4e5f393886bb9fac}, issn = {0009-2940}, journal = {Chemische Berichte}, keywords = {ESR boron heterocycle;NMR heterocycle;radical heterocycle;tetraazadiboracyclohexane ion ion;triazodiboracyclopentane nitrogen radical}, number = 7, pages = {2494--2502}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Chemistry of boron. (uni-stuttgart.de)
  • My training is in organic synthesis and nitrogen heterocycles. (davidson.edu)
  • My research program at Davidson started with an emphasis on synthetic methodology in nitrogen heterocycles. (davidson.edu)
  • With its conceptual approach, this is an ideal information source for graduate students and academics interested in natural product chemistry and organic synthesis as well as for researchers in industry working in the area of drug synthesis, agricultural chemistry or materials science. (researchandmarkets.com)
  • However, the C-H functionalization of N-heterocycles has posed considerable chal-lenges, often giving incomplete conversions. (imperial.ac.uk)
  • Functionalization and derivatization of unsaturated 4-membered carbo- and heterocycles mediated by organometallic methods. (uni-muenchen.de)
  • Saturated N-heterocycles are crucial motifs in medicinal chemistry. (imperial.ac.uk)
  • Oxetanes and azetidines continue to draw significant interest in medicinal chemistry, as small, polar and non-planar motifs. (imperial.ac.uk)
  • Medicinal Chemistry Research, 20, 388-400. (scirp.org)
  • European Journal of Medicinal Chemistry, 45, 572-580. (scirp.org)
  • Every two years the European Federation for Medicinal Chemistry (EFMC), a partner society of MedChemComm, honour three awards at the International Symposium on Medicinal Chemistry (EFMC-ISMC). (rsc.org)
  • These awards acknowledge outstanding achievements in the field of Medicinal Chemistry. (rsc.org)
  • I have since branched into medicinal chemistry and drug discovery. (davidson.edu)
  • After completing a textbook on medicinal chemistry, I taught Davidson's first online course (medicinal chemistry & drug discovery) on the edX platform in 2014. (davidson.edu)
  • To complement some of the lecture material presented and to provide experience in synthetic organic chemistry and, in particular, spectroscopic interpretation of structural features of compounds. (bath.ac.uk)
  • Inorganic chemistry is a branch of chemistry dealing with compounds which their skeleton do not contain carbon atom. (ac.ir)
  • Organic Chemistry is a part of chemistry, which includes studying of carbon compounds and their reaction. (ac.ir)
  • As one of the longest-running Gordon Research Conferences, the 2023 Heterocyclic Compounds GRC will continue to provide a platform for disclosures of new strategies for the discovery, synthesis, incorporation, and application of powerful heterocycles. (grc.org)
  • Such an intrinsic obstacle makes the direct insertion of heteroatoms into alkenes to build heterocycles an elusive goal. (nature.com)
  • C-H activation hasn't worked well with heterocycles because metal activators tend to coordinate with heteroatoms, interfering with site selectivity. (acs.org)
  • You are warmly invited to take part in this event by Katie Lim, Executive Editor of EES, Sustainable Energy & Fuels and Catalysis Science & Technology at the Royal Society of Chemistry - and The University of Tokyo (local host: Kazunari Domen). (rsc.org)
  • In some cases, catalysis is both derived from heterocycles and leads to their synthesis. (grc.org)
  • Zhang-Jie Shi synthesizes arylamines and N-heterocycles by direct catalytic nitrogenation with N2. (thieme.de)
  • This Lewis base-triggered switching of behavior from "latent" to "active" nucleophile is a unique feature of boronic esters relative to other protective groups for diol moieties in carbohydrate chemistry. (acs.org)
  • In a tandem transformation that included three distinct electrochemical processes, the insertion of ammonia further showcased the tremendous potential to manipulate heterocycles derived from Hantzsch ester to diazine via pyridine and pyrrole. (nature.com)
  • In this book, special emphasis is given to the synthesis of various bioactive heterocycles. (freebookcentre.net)
  • This communication describes a variety of nucleophilic ring openings of N-arylated oxathiazinane heterocycles. (ku.edu)
  • In 1981, he obtained his M.S. from the Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Seoul, where his research field was hydrogenation reactions over metal-doped zeolites. (rsc.org)
  • In 1989, he earned his Ph.D. degree in inorganic chemistry from the Department of Chemistry, University of Houston, Houston, Texas, and his research field was photo-induced charge transfer reactions in zeolites. (rsc.org)
  • To apply their experience in synthetic organic chemistry to other organic reactions. (bath.ac.uk)
  • Physical Chemistry - based on mathematical and Physical rules - studies the reactions from the thermodynamic and synetic points of view, and in on the important aspects in chemical engineering, petroleum, polymer, metallurgy, tissue engineering and cdour chemistry. (ac.ir)
  • This port of chemistry is of industrial importance, because of its specifications in chiding material investigations from the point of view of magnetical, electrical properties, yiels, and rate of reactions. (ac.ir)
  • Hammarström, L. Towards artificial photosynthesis: ruthenium-manganese chemistry mimicking photosystem II reactions. (nature.com)
  • In promoting the development of advanced NMR techniques in organometallic chemistry, our research has led to wider insights into catalyst structure and function. (edu.au)
  • review the chemistry, biosynthesis, metabolism and biological activities of tetrahydrocannabinol and its deritives. (pdfgrip.com)
  • Updated with more coverage of nuclear magnetic resonance spectroscopy, expanded with new end-of-chapter mechanism problems and Practice Your Scientific Reasoning and Analysis questions, and enhanced with OWLv2, the latest version of the leading online homework and learning system for chemistry, John McMurry's Organic Chemistry continues to set the standard for the course. (nhbs.com)
  • Written by some of the most talented young chemists in Europe, this text covers most of the groundbreaking issues in chemistry. (pdfgrip.com)
  • Physical Chemistry is including application of mathematical and physical concepts for better understanding of chemical concept, and it studies the properties and be haviour of chemical systems using spectroscopical, electrochemical, thermodynamic, and quantumical methods. (ac.ir)
  • Based on rigorous ab initio data, we have devised a simple predictive model of the strength of stacking interactions between heterocycles commonly found in biologically active molecules and the amino acid side chains Phe, Tyr, and Trp. (chemrxiv.org)
  • To Celebrate Black History Month, the Department of Chemistry is presenting special screening of "Percy Julian: Forgotten Genius" a biopic about a trailblazing Black scientist who earned a place in the parthenon of scientific greatness despite facing horrific racism throughout his life - including at prestigious academic institutions. (uci.edu)
  • The resultant viruses with the disease-specific ligands have been directly wired into electrical circuits for measurement of disease marker levels in urine through collaboration with Prof. Reg Penner (UCI, Department of Chemistry). (uci.edu)
  • James Durrant is Professor of Photochemistry in the Department of Chemistry, Imperial College London and Sêr Cymru Solar Professor, College of Engineering, University of Swansea. (rsc.org)
  • Kyung Byung Yoon received his B.S. from the Department of Chemistry, Seoul National University in 1979. (rsc.org)
  • Osamu Ishitani is Professor at Department of Chemistry of Tokyo Institute of Technology. (rsc.org)
  • Describe the synthetic chemistry of carbocations, anions and radical species and describe some of the mechanisms involved in their reaction. (bath.ac.uk)
  • Thesis (MSc (Chemistry and Polymer Science))--University of Stellenbosch, 2006. (sun.ac.za)
  • In this work, electrochemistry was used to drive a 4-electron oxidation reaction that is hard to access by other protocols, providing a parallel pathway to nitrene chemistry. (nature.com)
  • I spent several tears years working with students on using new chemistry to design potential antiviral nucleoside analogues. (davidson.edu)
  • Direct insertion of ammonia into a carbon skeleton is an ideal approach to building valuable N -heterocycles for extensive applications with unprecedented atom and step economy. (nature.com)
  • Analytical chemistry is the science that seeks ever improved means of measuring the chemical composition of natural and artificial materials. (ac.ir)
  • The Editorial Board of CHIMIA warmly thanks the coordinating guest editors Dr. Peter Maienfisch and Prof. Goverdhan Mehta for their great efforts in putting together these extremely interesting and informative issues on Chemistry in India. (chimia.ch)