Results 51 to 60 of about 23,283 (229)

Rotation-tunneling spectrum and astrochemical modeling of dimethylamine, CH$_3$NHCH$_3$, and searches for it in space [PDF]

open access: yes, 2023
Methylamine has been the only simple alkylamine detected in the interstellar medium for a long time. With the recent secure and tentative detections of vinylamine and ethylamine, respectively, dimethylamine has become a promising target for searches in ...
Schlemmer, S.   +31 more
core   +1 more source

Green and sustainable synthesis of magnetite from copper slag via citrate complexation for methylene blue dye removal from water

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study proposes a novel, green, and sustainable method for synthesizing magnetic iron oxides from metallurgical copper slag (CS), leveraging its iron content as a valuable resource. Iron was extracted via acid leaching using edible citric acid (ECA), forming a citrate–iron complex (CSL), which was subsequently thermally decomposed at 300°C
Melisa Portilla‐Sangabriel   +4 more
wiley   +1 more source

H/D scrambling in a chromium-catalyzed dehydrocoupling reaction of a borane–dimethylamine adduct

open access: yes, 2017
H/D scrambling took place in a chromium-catalyzed dehydrocoupling reaction of a deuterium-labeled borane–dimethylamine adduct.
Mamoru Shimoi, Yasuro Kawano
core   +1 more source

Xylose Acetals ‐ a New Class of Sustainable Solvents and Their Application in Enzymatic Polycondensation

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Novel organic solvents with an unmodified carbohydrate core were synthesised both from D‐xylose and directly from biomass and were successfully used as reaction media for lipase biocatalysts to synthesise aliphatic and aromatic polyesters. Abstract The use of organic solvents in academic research and industry applications is facing increasing ...
Anastasia O. Komarova   +8 more
wiley   +1 more source

Formation of Dimethylamine in Stored Frozen Sea Fish

open access: yes, 1970
In cod fillets undergoing deterioration during frozen storage, the dimethylamine content increases (and not the trimethylamine content as previously reported by us).
Wanda Neal, Barbara Smith, C. H. Castell
core   +1 more source

Multidimensional Engineering Enabling Rate‐Matched C−N Coupling for Efficient Organonitrogen Electrosynthesis

open access: yesEcoEnergy, EarlyView.
This review introduces rate matching as a unifying design principle for efficient electrochemical C−N coupling and highlights multidimensional engineering of catalysts, interfaces, and reactors to synchronize the generation of carbon‐ and nitrogen‐containing intermediates, balance their surface coverages, maximize C−N bond formation, and enable ...
Kaixing Cai   +4 more
wiley   +1 more source

Measurement report: Urban ammonia and amines in Houston, Texas [PDF]

open access: yesAtmospheric Chemistry and Physics
Ammonia and amines play critical roles in secondary aerosol formation, especially in urban environments. However, fast measurements of ammonia and amines in the atmosphere are very scarce.
L. Tiszenkel, J. H. Flynn, S.-H. Lee
doaj   +1 more source

Three Birds with One Stone: High‐Performance 2D Lead‐Free Perovskite Solar Cells via Direct In Situ Generation of Organic‐Spacer Precursors

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Adopting a “three birds with one stone” strategy, the in situ generation of organic spacer simultaneously addresses three major challenges limiting 2D tin‐based perovskites: (1) Sn2+ oxidation; (2) rapid crystallization; and (3) uncontrolled 2D phase distribution.
Yifan Shen   +11 more
wiley   +1 more source

Structure–activity relationship investigation of benzamide and picolinamide derivatives containing dimethylamine side chain as acetylcholinesterase inhibitors

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2018
A series of benzamide and picolinamide derivatives containing dimethylamine side chain (4a–4c and 7a–7i) were synthesised and evaluated for acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activity in vitro.
Xiao-hui Gao   +7 more
doaj   +1 more source

5-Dimethylamino-1-phenylchromeno[2,3-c]pyrazol-4(1H)-one

open access: yesMolbank, 2010
The title compound was prepared by treatment of 5-fluoro-1-phenylchromeno [2,3-c]pyrazol-4(1H)-one with aqueous dimethylamine. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, IR, MS) are presented.
Wolfgang Holzer, Angelika Ebner
doaj   +1 more source

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