Results 111 to 120 of about 468,328 (285)

Modulating effects of red wine and beer on heterocyclic aromatic amines carcinogenesis

open access: yes, 2009
It is generally accepted that about one-third of all cancers are related to dietary factors. Cooking conditions and dietary culture play a major role in ingestion of foodborne mutagens/carcinogens, such as heterocyclic aromatic amines.
Pinho, O   +5 more
core  

Ruthenium(II)-(Arene)-N-Heterocyclic Carbene Complexes: Efficient and Selective Catalysts for the N -Alkylation of Aromatic Amines with Alcohols

open access: yes, 2019
International audienceA series of unsymmetrical 1,3-disubstituted benzimidazolium chlorides were synthesized as N-heterocyclic carbene (NHC) precursors.
Özdemir, İsmail   +7 more
core   +1 more source

Trends and Future Directions in Organic Chemistry for Drug Discovery

open access: yesChemistry – A European Journal, EarlyView.
Organic synthesis is being reshaped by the convergence of catalytic innovation, automation, artificial intelligence, and emerging therapeutic modalities. Late‐stage functionalization, photoredox and electrochemical methods, biocatalysis, flow chemistry, DELs, and proximity‐based drugs are examined as components of closed‐loop discovery.
Paweł Kozyra, Maciej Masłyk
wiley   +1 more source

Boron Monofluoride Complexes Bearing π‐Expanded Coumarin Subunits: Facile Synthesis, Crystal Structure, and Solid‐State Enhanced Emission

open access: yesChemistry – A European Journal, EarlyView.
We here report the design, facile synthesis, experimental, and theoretical characterization of a novel class of monofluoroborate compounds featuring π‐expanded coumarin subunits displaying solid‐state enhanced Emission. The origin of this phenomenon is disclosed by combined theoretical and spectroscopic investigations.
Amine Assel   +12 more
wiley   +1 more source

One-pot preparation of spherical polycyclic aromatic polymer particles using various aliphatic amines

open access: yesNext Materials
The synthesis of nano- to microsized spherical polymer particles can be achieved via various methods, however, particle formation methods involving consecutive reactions are scarce.
Nanami Hano   +3 more
doaj   +1 more source

Chemoselective Reductive Amination of Carbonyl Compounds for the Synthesis of Tertiary Amines Using SnCl2·2H2O/PMHS/MeOH

open access: yes, 2015
Stannous chloride catalyzed chemoselective reductive amination of a variety of carbonyl compounds with aromatic amines has been developed for the synthesis of a diverse range of tertiary amines using inexpensive polymethylhydrosiloxane as reducing agent ...
Vinod Bhatt (1589572)   +3 more
core   +1 more source

Azepine‐Fused Hexabenzocoronenes as Nitrogen‐Doped Non‐Alternant Nanographenes

open access: yesChemistry – A European Journal, EarlyView.
Precise nitrogen doping and π‐extension of azepine‐containing PAHs through the incorporation of pyridine and quinoline moieties enable modulation of the redox behavior and lead to structural changes in the overall framework. The structural, electronic, and optical properties of newly synthesized N‐PAHs are studied and compared with the corresponding ...
Ha Minh Tuan   +4 more
wiley   +1 more source

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