Results 31 to 40 of about 80,827 (161)
A primary amine-salicylamide derived from chiral trans-cyclohexane-1,2-diamine was used as an organocatalyst for the enantioselective conjugate addition of aldehydes, mainly α,α-disubstituted to N-substituted maleimides.
Alejandro Torregrosa-Chinillach +5 more
doaj +1 more source
We provide an extensive review of 14 studies (11 independent and three industry-funded) on emissions generated by Electronic Cigarettes (ECs), specifically focusing on the evaluation of carbonyls present in these emissions and emphasizing a meticulous ...
Roberto A. Sussman +4 more
doaj +1 more source
Oxidation of Aldehydes Used as Food Additives by Peroxynitrite
Benzaldehyde and its derivatives are used as food supplements. These substances can be used mainly as flavorings or as antioxidants. Besides, peroxynitrite, an oxidizing agent, could be formed in canned food. Both species could react between them.
Clara I. Alcolado +5 more
doaj +1 more source
Exhaled Aldehydes as Biomarkers for Lung Diseases: A Narrative Review
Breath analysis provides great potential as a fast and non-invasive diagnostic tool for several diseases. Straight-chain aliphatic aldehydes were repeatedly detected in the breath of patients suffering from lung diseases using a variety of methods, such ...
Maximilian Alexander Floss +5 more
doaj +1 more source
Molecular Response to Toxic Diatom-Derived Aldehydes in the Sea Urchin Paracentrotus lividus
Diatoms are dominant photosynthetic organisms in the world’s oceans and represent a major food source for zooplankton and benthic filter-feeders. However, their beneficial role in sustaining marine food webs has been challenged after the discovery that ...
Stefano Varrella +5 more
doaj +1 more source
The olfactory evaluation function (e.g., odor intensity rating) of e-nose is always one of the most challenging issues in researches about odor pollution monitoring.
Luchun Yan +4 more
doaj +1 more source
3-(3-Hydroxypropyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxaldehyde Methyl Hemiacetal
The synthesis of 3-(3-hydroxypropyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxaldehyde as a stable methyl hemiacetal through a convenient 3-step procedure is reported.
Massimiliano Cordaro
doaj +1 more source
Aldehydes are a class of highly versatile chemicals that can undergo a wide range of chemical reactions and are in high demand as starting materials for chemical manufacturing.
Jee Loon Foo +10 more
doaj +1 more source
Limited Antioxidant Effect of Rosemary in Lipid Oxidation of Pan-Fried Salmon
Consumption of omega-3 polyunsaturated fatty acids (n-3 PUFAs) rich fatty fish is known to provide an array of health benefits. However, high temperature in food preparation, such as pan-frying, potentially degrades eicosapentaenoic acid (EPA) and ...
Kin Sum Leung +5 more
doaj +1 more source
Reductive amination with zinc powder in aqueous media
Zinc powder in aqueous alkaline media was employed to perform reductive amination of aldehydes with primary amines. The corresponding secondary amines were obtained in good yields along with minor amounts of hydrodimerization byproducts.
Giovanni B. Giovenzana +3 more
doaj +1 more source

