Results 31 to 40 of about 34,436 (236)
Synthesis and Characterization of Thymine-15N2
Journal of Isotopes, 2016 A novel and mild synthesis method of thymine-15N2 was designed. Ethyl formate and ethyl propionate as raw materials, the intermediate ethyl 2-formylpropionate was condensed under sodium metal, the target compound thymine-15N2 was obtained by condensation
XU Jian-fei +3 more
doaj +1 more source
Trapping and desorption of complex organic molecules in water at 20 K [PDF]
, 2015 The formation, chemical and thermal processing of complex organic molecules (COMs) is currently a topic of much interest in interstellar chemistry. The isomers glycolaldehyde, methyl formate and acetic acid are particularly important because of their ...
Brown, Wendy A +5 more
core +1 more source
Heliyon, 2019 We report a first-principles study on ethyl acetate neutral hydrolysis in which we focus on the activation energy variation resulting from the conformational effect in the transition state.
Febdian Rusydi +7 more
doaj +1 more source
Recent trends in analytical methods to determine new psychoactive substances in hair [PDF]
, 2017 New Psychoactive Substances (NPS) belong to several chemical classes, including phenethylamines, piperazines, synthetic cathinones and synthetic cannabinoids.
García Algar, Oscar +4 more
core +1 more source
Angewandte Chemie, EarlyView.This review highlights recent advances in integrating biocatalysis and chemocatalysis in continuous flow to create streamlined, sustainable processes. It examines chemo‐enzymatic cascades combining at least one enzymatic and one chemical step, discusses challenges such as enzyme immobilization, leaching, and reactor clogging, and presents solutions ...
Petros Siasiaridis +2 more
wiley +2 more sources
Advance in Research and Application of Ethyl Formate as a Fumigant
Liang you shipin ke-jiEthyl formate is a fumigant with the merits of rapid insecticidal action, low toxicity and residue. This article summarizes physicochemical properties, insecticidal mechanisms, and application technologies of ethyl formate.
WANG Zheng-yan +4 more
doaj +1 more source
1,3-Dihydroxy-2-(hydroxymethyl)propan-2-aminium formate
Acta Crystallographica Section E, 2011 The title compound, C4H12NO3+·CHO2−, was obtained from 1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium acetate and ethyl formate. In the crystal, the cations and anions are held together by intermolecular N—H...O and O& ...
Guo-Bin Ren +4 more
doaj +1 more source
, 2016 The detection of organic molecules with increasing complexity and potential biological relevance is opening the possibility to understand the formation of the building blocks of life in the interstellar medium.
Beltrán, M. T. +5 more
core +1 more source
Development of covalent triazine frameworks as heterogeneous catalytic supports [PDF]
, 2019 Covalent triazine frameworks (CTFs) are established as an emerging class of porous organic polymers with remarkable features such as large surface area and permanent porosity, high thermal and chemical stability, and convenient functionalization that ...
Krishnaraj, Chidharth +3 more
core +1 more source
Evaluation of Background Levels of Ethyl Formate and Carbonyl Sulfide in Grains and Oilseeds
Liang you shipin ke-jiEthyl formate and carbonyl sulfide are potential stored product fumigants. They are present naturally in the atmosphere, plants and soil. Natural levels of ethyl formate and carbonyl sulfide in newly harvested grain and stored wheat, barley, oats and ...
Pushpendra KOLI +3 more
doaj +1 more source