Results 41 to 50 of about 57,276 (400)

Synthesis and research of polyfunctional silylureas used in electric deposition of tin-indium alloy

open access: yesChimica Techno Acta, 2021
Polyfunctional silylureas were synthesized by the interaction of 3-aminopropyltriethoxysilane with isocyanates of various structures in an inert aromatic solvent.
K. Yu. Ivanova   +5 more
doaj   +1 more source

Synthesis of N-Phenylpyrrole Carboximides

open access: yesMolecules, 1999
Several N-phenylpyrrole carboximides were synthesised using acyl isocyanates as intermediates.
Urs Séquin   +4 more
doaj   +1 more source

Instanton rate constant calculations using interpolated potential energy surfaces in non-redundant, rotationally and translationally invariant coordinates [PDF]

open access: yesJ. Comput. Chem. 2019, 40, 866-874, 2020
A trivial flaw in the utilization of artificial neural networks in interpolating chemical potential energy surfaces (PES) whose descriptors are Cartesian coordinates is their dependence on simple translations and rotations of the molecule under consideration.
arxiv   +1 more source

CO2 conversion to phenyl isocyanates by uranium(vi) bis(imido) complexes. [PDF]

open access: yes, 2020
Uranium(vi) trans-bis(imido) complexes [U(κ4-{(tBu2ArO)2Me2-cyclam})(NPh)(NPhR)] react with CO2 to eliminate phenyl isocyanates and afford uranium(vi) trans-[O[double bond, length as m-dash]U[double bond, length as m-dash]NR]2+ complexes, including [U(κ4-
Bandeira, Nuno AG   +4 more
core   +1 more source

Synthesis and reactivity of spiro-fused β-lactams [PDF]

open access: yes, 2011
A
D'hooghe, Matthias   +2 more
core   +2 more sources

Influence of Genetic Variance on Biomarker Levels After Occupational Exposure to 1,6-Hexamethylene Diisocyanate Monomer and 1,6-Hexamethylene Diisocyanate Isocyanurate

open access: yesFrontiers in Genetics, 2020
We evaluated the impact of genetic variance on biomarker levels in a population of workers in the automotive repair and refinishing industry who were exposed to respiratory sensitizers 1,6-hexamethylene diisocyanate (HDI) monomer and one of its trimers ...
Laura W. Taylor   +4 more
doaj   +1 more source

Synthesis of urea on the surface of interstellar water ice clusters. A quantum chemical study [PDF]

open access: yes, 2023
Urea is a prebiotic molecule that has been detected in few sources of the interstellar medium (ISM) and in Murchison meteorite. Being stable against ultraviolet radiation and high-energy electron bombardment, urea is expected to be present in interstellar ices. Theoretical and experimental studies suggest that isocyanic acid (HNCO) and formamide (NH$_2$
arxiv   +1 more source

Biological Monitoring for Isocyanates [PDF]

open access: yesThe Annals of Occupational Hygiene, 2007
Isocyanates are reactive chemicals and thousands of workers may be exposed to them during their manufacture and use in a wide range of products. They are classed as sensitizers and are a major cause of occupational asthma in the UK. Workplace exposure limits are low and control of exposure often depends on personal respiratory protection.
openaire   +3 more sources

Nanoencapsulation of blocked isocyanates through aqueous emulsion polymerization

open access: yeseXPRESS Polymer Letters, 2008
Blocked isocyanates were successfully encapsulated into polystyrene and hydroxyl and amine functionalized polymeric nanospheres via emulsion polymerization.
doaj   +1 more source

Pd-Catalyzed Cycloaddition of Bicyclic Aziridine with Isocyanates

open access: yesMedical Sciences Forum, 2022
Nitrogen-containing heterocycles can have several applications in the pharmaceutical industry since they contain a wide spectrum of biological activities. Imidazolidinones have shown activity against leukemia, lung cancer, and metabolic disorders.
Mariana Crespo Monteiro   +2 more
doaj   +1 more source

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