Results 51 to 60 of about 227,778 (210)
EFSA Journal, 2015 According to Article 12 of Regulation (EC) No 396/2005, the European Food Safety Authority (EFSA) has reviewed the maximum residue levels (MRLs) currently established at European level for the pesticide active substance fluazinam.
European Food Safety Authority (EFSA)
doaj +1 more source
Pyridine-Boryl Radical-Catalyzed [3π + 2σ] Cycloaddition for the Synthesis of Pyridine Bioisosteres [PDF]
The exploration of C(sp3)-rich three-dimensional (3D) scaffolds as bioisosteres for planar aromatics has garnered increasing attention. While the bioisosterism of benzenes has been extensively studied, the bioisosterism of pyridines, the second most ...
Yin , Li +8 more
core +2 more sources
, 2023 Aim: This thesis is focused on the synthesis of new pyridine-based 1,2,3-triazoles to be employed as potential scaffolds for drug discovery and for diverse applications in organic chemistry such as C-H activation and organocatalysis.
Roberta Pacifico (7896065)
core +1 more source
Calix[4]pyridine: a new arrival in the heterocalixarene family [PDF]
, 1998 Reaction of dichlorocarbene with meso-octamethylcalix[4]pyrrole causes pyrrole ring expansion, producing chlorocalixpyridinopyrroles and ...
Král, Vladimir +5 more
core +1 more source
STUDIES ON PLANT BILE PIGMENTS-6. PHOTOCHEMICALLY ASSISTED REACTION OF A-DIHYDROBILINDIONE WITH NUCLEOPHILES AS A MODEL FOR PHYTOCHROME INTERCONVERSION [PDF]
, 1979 From the A-dihydrobilindione 3. the pyridinium derivatives 6a,b and analogues thereof have been obtained by a formal nucleophilic substitution. The reaction is rationalized as a photochemically assisted oxidation of 3 with a subsequent regioselective ...
Bubenzer, C. +2 more
core +1 more source
Light-emission from conjugated dendrimers and polymers [PDF]
, 1999 This thesis reports the photophysical and electroluminescence studies undertaken on two types of material: polymeric and dendritic. The dendritic architecture is a recent concept adopted to develop new materials for light-emitting diodes.
Halim, Mounir, Halim, M.
core
Organics, 2021 A convenient synthetic approach to previously unknown NH-iminophosphonates bearing 2-, 3-, and 4-pyridyldifluoromethyl groups at the imine carbon atom was developed.
Oksana M. Shavrina +4 more
doaj +1 more source
Chemistry of Heterocyclic Compounds, 1966 A number of amides and hydrazides of 4-phenyl-2,5-pyridine dicarboxylic acids are synthesized. © 1966 The Faraday Press, Inc.
Prostakov N.S. +3 more
openaire +3 more sources
Molecules, 2018 In this study, a series of triple quaternized chitosan derivatives, including 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1-pyridylmethyl-2-ylmethyl)-N,N-dimethyl chitosan chloride (7), 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1 ...
Lijie Wei +6 more
doaj +1 more source
Carbon Trends, 2023 Nitrogen-doped multiwalled carbon nanotubes (N-MWCNTs) are known as a perspective material for a variety of applications in nanoelectronic devices, sensors, catalysts for carbon dioxide reduction, and flexible thermoelectrics. However, up to date most of
Jana Andzane +5 more
doaj +1 more source