Beilstein Journal of Organic Chemistry, 2022 An economical and versatile protocol for the one-pot synthesis of monomethylamines by reduction of N-substituted carbonylimidazoles with NaBH4/I2 in THF at reflux temperature is described. This method used no special catalyst and various monomethylamines
Lin Chen +5 more
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Seasonal variation of aliphatic amines in marine sub-micrometer particles at the Cape Verde islands [PDF]
, 2009 Monomethylamine (MA), dimethylamine (DMA) and diethylamine (DEA) were detected at non-negligible concentrations in sub-micrometer particles at the Cap Verde Atmospheric Observatory (CVAO) located on the island of São Vicente in Cape Verde during algal ...
Gnauk, T. +6 more
core +1 more source
Kinetics of CO2 with primary and secondary amines in aqueous solutions - I. Zwitterion deprotonation kinetics for DEA and DIPA in aqueous blends of alkanolamines [PDF]
, 1992 The deprotonation kinetics of the DEA—CO2 and the DIPA—CO2 zwitterions have been studied in aqueous blends of amines at 298 K. Amine mixtures investigated were: DEA—TEA, DEA—MDEA, DEA—DMMEA, DEA—DEMEA, DIPA—TEA. DIPA—MDEA, DIPA—DMMEA, DIPA—DEMEA.
Littel, R.J. +3 more
core +17 more sources
Effect of Steaming and Boiling on the Antioxidant Properties and Biogenic Amines Content in Green Bean (Phaseolus vulgaris) Varieties of Different Colours [PDF]
, 2017 Effects of boiling and steaming cooking methods were studied on total polyphenols, antioxidant capacity, and biogenic amines of three green bean varieties, purple, yellow, and green.The vegetables gave good values both for antioxidant capacity and for ...
Preti, Raffaella +2 more
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Contents of Polyamines and Biogenic Amines in Canned Pet (Dogs and Cats) Food on the Austrian Market
Foods, 2021 Biogenic amines accumulate in proteinaceous raw materials used for pet food production. In canned, sterilized food, amine levels of the ingredients are preserved and may both be indicative of hygiene deficiencies in the ingredients as well as for ...
Peter Paulsen +3 more
doaj +1 more source
Conjugated Addition of Amines to Electron Deficient Alkenes: A Green Approach
Chimica Techno Acta, 2017 A very simple approach has been developed for conjugate addition of a variety of aliphatic and aromatic amines to electron deficient alkenes in presence tea extract at room temperature.
Anindita Mukherjee +7 more
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Synthesis of Quinazoline and Quinazolinone Derivatives via Ligand-Promoted Ruthenium-Catalyzed Dehydrogenative and Deaminative Coupling Reaction of 2-Aminophenyl Ketones and 2-Aminobenzamides with Amines [PDF]
, 2019 The in situ formed ruthenium catalytic system ([Ru]/L) was found to be highly selective for the dehydrogenative coupling reaction of 2-aminophenyl ketones with amines to form quinazoline products.
Arachchige, Pandula T. Kirinde +1 more
core +3 more sources
Anaesthesia and Intensive Care, 1980 The autonomic nervous system may play an important role in tissue autoregulation as the neurohumoral transmission process has been shown to constitute the final common pathway by which the effects of many physiological and pharmacological substances are mediated.
openaire +2 more sources
Fast determination of biogenic amines in beverages by a core-shell particle column [PDF]
, 2015 A fast and reliable HPLC method for the determination of 11 biogenic amines in beverages has been performed. After pre-column derivatization with dansyl-chloride a Kinetex C18 core–shell particle column (100 mm × 4.6 mm, 2.6 μm particle size) has been ...
Giuliana Vinci +3 more
core +1 more source
Simultaneous measurement of methylamine in size-segregated aerosols and the gas phase
Tellus: Series B, Chemical and Physical Meteorology, 2021 In order to improve our understanding of the origin and production processes of methylamine in the atmosphere and its contribution to the particulate WSON, simultaneous measurements of methylamine in size-segregated aerosols and the gas phase were ...
Aki Hirai, Kiyoshi Matsumoto
doaj +1 more source