Results 1 to 10 of about 207,447 (300)
, 2021 The smart fluorescent hydrogels exhibiting tunable fluorescence have been used as biosensors, probes, light-emitting devices, and information storage and confidentiality.
He Zhang (130319) +2 more
core +3 more sources
On the activation of PhICl2 with pyridine [PDF]
, 2021 It has been previously proposed that pyridines can activate PhICl2 by displacing a chloride and forming the [PhI(Pyr)(Cl)]+ cation as a reactive intermediate. Here we show that pyridine does not displace chloride, but rather forms a weak complex with the
Arachchige, K. +8 more
core +1 more source
Acta Crystallographica Section E: Crystallographic Communications, 2021 In the title molecule, C21H20N2O3S, the styryl and ester substituents are displaced to opposite sides of the plane of the pyridine ring. In the crystal, C—H...O hydrogen bonds form chains extending parallel to the a-axis direction, which pack with ...
Safiyyah A. H. Al-Waleedy +5 more
doaj +1 more source
ON PYRIDINE HEMOCHROMOGEN [PDF]
Journal of General Physiology, 1929 1. Cyanide hemochromogen probably contains one cyanide group per heme group. 2. The equilibrium between pyridine hemochromogen and its components, pyridine and reduced heme, is complicated to an unknown extent by the precipitation of reduced heme and the aggregation of pyridine hemochromogen. 3.
A E, Mirsky, M L, Anson
openaire +2 more sources
From Pyridine to (−)‐Agelastatin A
Advanced Synthesis & Catalysis, 2023 Abstract(−)‐Agelastatin A was synthetized employing a flow photorearrangement of a pyridinium salt, constructing in one step the cyclopentene core possessing the desired functionalities and relative configurations. A flow enzymatic kinetic resolution of the resulting bicyclic vinyl aziridine delivered the enantiopure precursor to the natural product ...
Vale, João R. +5 more
openaire +4 more sources
Cofactor regeneration by a soluble pyridine nucleotide transhydrogenase for biological production of hydromorphone [PDF]
, 2000 We have applied the soluble pyridine nucleotide transhydrogenase of Pseudomonas fluorescens to a cell-free system for the regeneration of the nicotinamide cofactors NAD and NADP in the biological production of the important semisynthetic opiate drug ...
French, C E +4 more
core +1 more source
Bulletin of Chemical Reaction Engineering & Catalysis, 2017 A novel Eu(III) complex, [Eu(L)2(H2O)4]·(NO3)·(H2O)4 (1) (H2L = 4-imidazolecarboxaldehyde-pyridine-2-carbohydrazide), was synthesized. Its structure has been characterized by elemental analysis, IR, and X-ray single crystal diffraction analysis.
Li-Hua Wang, Lei Liang, Peng-Fei Li
doaj +1 more source
Anticancer Evaluation of 4-substituted-N-(quinolin-8-yl)pyridine-3-sulfonamides
Medical Sciences Forum, 2022 During our research of biological activity of different N-aryl-4-substututed-pyridine-3-sulfonamides, we have found that compounds bearing a N-(quinolin-8-yl) substituent possess a significant anti-tumor activity.
Krzysztof Szafrański +2 more
doaj +1 more source
Molecules, 2015 In this work, 3-bromoacetylcoumarin was used as the key starting material for the synthesis of pyran, pyridine, thiophene, thiazole and pyrazole derivatives through its reaction with different reagents.
Rafat M. Mohareb, Nadia Y. MegallyAbdo
doaj +1 more source
Pharmaceutics, 2023 Due to the urgent need for finding effective and free of secondary effect treatments for every clinical form of Leishmaniasis, a series of synthetic xylene, pyridine and, pyrazole azamacrocycles were tested against three Leishmania species. A total of 14
Álvaro Martín-Montes +7 more
doaj +1 more source