Results 51 to 60 of about 2,940,757 (378)
The ALMA-PILS survey: Complex nitriles towards IRAS 16293--2422 [PDF]
A&A 616, A90 (2018), 2018 Complex organic molecules are readily detected in the inner regions of the gaseous envelopes of forming protostars. In particular, molecules that contain nitrogen are interesting due to the role nitrogen plays in the development of life and the compact scales such molecules have been found to trace around forming protostars. The goal of this work is to
arxiv +1 more source
Zanco Journal of Medical Sciences, 2023 Background and objective: Five-membered heterocycle compounds having single oxygen and nitrogen atom at adjacent positions are known as isoxazoles. Isoxazole compounds have a broad range of biological activities and therapeutic value.
Sarbast M. Ahmed +4 more
doaj
Thermomechanical properties of zirconium tungstate/hydrogenated nitrile butadiene rubber (HNBR) composites for low-temperature applications [PDF]
J Mater Sci (2016) 51: 10714, 2017 Rubber compounds for pressure sealing application typically have inferior dimensional stability with temperature fluctuations compared with their steel counterparts. This effect may result in seal leakage failures when subjected to decreases in temperature. Composites of hydrogenated nitrile butadiene rubber (HNBR) and zirconium tungstate as a negative
arxiv +1 more source
Molecules, 2008 Aromatic and aliphatic oximes have been deoximated in chloroform-water to the corresponding aldehydes with dilute hydrogen peroxide and triscetylpyridinium tetrakis (oxodiperoxotungsto) phosphate as catalyst.
Rosa M. Toscano +4 more
doaj +1 more source
The role of C/O in nitrile astrochemistry in PDRs and planet-forming disks [PDF]
, 2019 Complex nitriles, such as HC3N, and CH3CN, are observed in a wide variety of astrophysical environments, including at relatively high abundances in photon-dominated regions (PDR) and the UV exposed atmospheres of planet-forming disks. The latter have been inferred to be oxygen-poor, suggesting that these observations may be explained by organic ...
arxiv +1 more source
Cycloaddition of Nitrile Oxides to Substituted Vinylphosphonates. [PDF]
ChemInform, 2003 AbstractFor Abstract see ChemInform Abstract in Full Text.
Yu Zheng +3 more
openaire +2 more sources
Controllable cyanation of carbon-hydrogen bonds by zeolite crystals over manganese oxide catalyst
Nature Communications, 2017 Sustainable strategies for nitrile synthesis are needed. Here, the authors report an environmentally benign, selective heterogeneous catalyst for the synthesis of nitriles by the oxidative cyanation of carbon and hydrogen (C-H) bonds, which comprises ...
Liang Wang +5 more
doaj +1 more source
Hecheng xiangjiao gongye, 2023 Graphene oxide(GO) with different oxidation degree was prepared and was used to strengthen carboxyl nitrile rubber（XNBR）. And the tensile properties and binding energy were studied by experiments and molecular simulation.
FU Quan-sheng1, WEN Yan-wei2, LOU Yang2, ZHANG Xu-min1, JIA Hong-bing1 *
doaj +1 more source
Nitrile-assistant eutectic electrolytes for cryogenic operation of lithium ion batteries at fast charges and discharges [PDF]
, 2014 The charge/discharge characteristics of lithium ion batteries at low temperature (LT = -20 ??C) are enhanced by using ethylene carbonate (EC)-based electrolytes with the help of assistant solvents of nitriles. Conventional liquid electrolytes (e.g.
Abu-Lebdeh +28 more
core +1 more source
Side-chain Modifications of Highly Functionalized 3(2H)-Furanones
Molecules, 2012 A series of 3(2H)-furanones, based on side-chain modifications of a parent 3(2H)-furanone, was synthesized in good yield. The parent compound was prepared by hydrogenolysis, and subsequent acid hydrolysis, of isoxazole derivatives.
Gil Valdo José da Silva +3 more
doaj +1 more source