Metal-free syn-dioxygenation of alkenes [PDF]
Reactions employing inexpensive reagents from sustainable sources and with low toxicity are becoming increasingly desirable from an academic and industrial perspective.
Ashikari+60 more
core +1 more source
Alternative pathways to α,β-unsaturated ketones via direct oxidative coupling transformation using Sr-doped LaCoO3 perovskite catalyst [PDF]
A strontium-doped lanthanum cobaltite perovskite material was prepared, and used as a recyclable and effective heterogeneous catalyst for the direct oxidative coupling of alkenes with aromatic aldehydes to produce α,β-unsaturated ketones.
Khang H. Trinh+7 more
doaj +1 more source
Analysis of Oleogel Volatile Profile Formation under Ultrasonic Treatment
Under certain conditions, ultrasonic treatment of certain foods and ingredients can contribute to the appearance of an extraneous odor, which is not usual for them, especially in fat-containing products.
Yuliya Frolova+2 more
doaj +1 more source
Rate coefficient for the reaction of Cl atoms with cis-3-hexene at 296 ± 2 K [PDF]
The rate coefficient of the cis-3-hexene + Cl atoms reaction at 296 ± 2 K and 750 ± 10 Torr was determined using the relative rate technique. The reaction was investigated using an 80 L Teflon reaction bag and a gas chromatograph coupled with flame ...
Arbilla, Graciela+5 more
core +1 more source
Access to cyclopropanes with geminal trifluoromethyl and difluoromethylphosphonate groups
A synthetic route to the bench-stable fluorinated masked carbene reagent diethyl 2-diazo-1,1,3,3,3-pentafluoropropylphosphonate, bearing a trifluoromethyl and a difluoromethyl group is reported for the first time.
Ita Hajdin+5 more
doaj +1 more source
Characterization of carbon monoxide, methane and nonmethane hydrocarbons in emerging cities of Saudi Arabia and Pakistan and in Singapore [PDF]
We investigate the composition of 63 C2-C10 nonmethane hydrocarbons (NMHCs), methane (CH4) and carbon monoxide (CO), in Jeddah, Mecca, and Madina (Saudi Arabia), in Lahore, (Pakistan), and in Singapore. We established a database with which to compare and
Aburizaiza, Omar S+11 more
core +1 more source
Desulfitative Thioalkylation of Alkenes
AbstractAn efficient method for the thioalkylation of alkenes via radical desulfitative sulfur‐group transfer is described. The reaction is based on the use of readily available thiosulfonates as starting materials and cheap radical initiators such as dilauroyl peroxide (DLP) and sun lamp irradiation.
Philippe Renaud+3 more
openaire +3 more sources
Power-dependent speciation of volatile organic compounds in aircraft exhaust [PDF]
As part of the third NASA Aircraft Particle Emissions Experiment (APEX-3, November 2005), whole air samples were collected to determine the emission rates of volatile organic compounds (VOCs) from aircraft equipped with three different gas-turbine ...
Anderson, BE+6 more
core +1 more source
The stereoselective formation of tetrasubstituted alkenes remains one of the key goals of modern organic synthesis. In addition to other methods, the stereoselective synthesis of tetrasubstituted alkenes can be achieved by means of cross-coupling ...
Tomáš Tobrman, Sergej Mrkobrada
doaj +1 more source
Kinetics of the simplest Criegee intermediate reaction with ozone studied by mid-infrared quantum cascade laser spectrometer [PDF]
The kinetics of CH$_2$OO reaction with ozone has been studied by monitoring CH$_2$OO with time-resolved infrared (IR) absorption spectroscopy, which utilized fast chirped IR pulse train from a quantum cascade laser [J. Chem. Phys. 146, 244302 (2017)].
arxiv +1 more source