Results 11 to 20 of about 37,354 (378)

Guanidinates as Alternative Ligands for Organometallic Complexes

open access: yesMolecules, 2022
For decades, ligands such as phosphanes or cyclopentadienyl ring derivatives have dominated Coordination and Organometallic Chemistry. At the same time, alternative compounds have emerged that could compete either for a more practical and accessible ...
Fernando Carrillo-Hermosilla   +3 more
doaj   +1 more source

Amino Acylguanidines as Bioinspired Catalysts for the Asymmetric Aldol Reaction

open access: yesMolecules, 2021
The binding and stabilizing effect of arginine residues in certain aldolases served as inspiring source for the development of a family of amino acylguanidine organocatalysts.
Ciril Jimeno
doaj   +1 more source

Novel Selective and Low-Toxic Inhibitor of LmCPB2.8ΔCTE (CPB) One Important Cysteine Protease for Leishmania Virulence

open access: yesBiomolecules, 2022
Leishmaniasis is a highly prevalent, yet neglected disease caused by protozoan parasites of the genus Leishmania. In the search for newer, safer, and more effective antileishmanial compounds, we herein present a study of the mode of action in addition to
Vitor Partite Moreira   +19 more
doaj   +1 more source

Catalytic Synthesis of Cyclic Guanidines via Hydrogen Atom Transfer and Radical-Polar Crossover

open access: yesACS Catalysis, 2020
Cyclic guanidines are found in many biologically active compounds and natural products. Further, the for-mation of the atypical 7-membered ring of cyclic guanidine remains challenging due to a lack of efficient preparation strategies and low yield ...
Shunya Ohuchi   +2 more
semanticscholar   +1 more source

Direct air capture of CO2 with aqueous peptides and crystalline guanidines

open access: yesCell Reports Physical Science, 2020
Negative emission technologies, including direct air capture (DAC) of carbon dioxide, are now considered essential for mitigating climate change, but existing DAC processes tend to have excessively high energy requirements, mostly associated with sorbent
R. Custelcean   +3 more
semanticscholar   +1 more source

Investigation of the Phytochemical Composition, Antioxidant Activity, and Methylglyoxal Trapping Effect of Galega officinalis L. Herb In Vitro

open access: yesMolecules, 2020
Galega officinalis L. has been known for centuries as an herbal medicine used to alleviate the symptoms of diabetes, but its comprehensive chemical composition and pharmacological activity are still insufficiently known.
Katarzyna Bednarska   +2 more
doaj   +1 more source

Synthesis of (+)-(R)-Tiruchanduramine

open access: yesMolecules, 2022
The absolute stereochemistry of the marine alkaloid (+)-(R)-tiruchanduramine was established via a convergent total synthesis in six steps and 15.5% overall yield from Fmoc-D-Dab(Boc)-OH.
Zahraa S. Al-Taie   +9 more
doaj   +1 more source

Investigation of Disinfectant\u27s Effectiveness as to Contaminating Microflora in Sugar Production [PDF]

open access: yes, 2018
The article presents the results of the studies of the effectiveness of disinfection means, based on chlorinated guanidines, tetradic ammonium salts, dichlorisocyanuric acid, peracetic acid and hydrogen peroxide as to the contaminating microflora of ...
Husiatynska, N. (Nataliia)   +1 more
core   +2 more sources

Probing the Molecular Basis of Protein Function through Chemistry [PDF]

open access: yes, 2006
For preparing sulphaguanidine the reaction of p-nitrobenzenesulphochloride with guanidine in alcaline medium was examined. The controversy 1) which has arisen on the subject of this reaction has been proved to rest on incomplete examination.
Adams   +38 more
core   +10 more sources

Observation of guanidine-carbon dioxide complexation in solution and its role in reaction of carbon dioxide and propargylamines [PDF]

open access: yes, 2014
The first observation of guanidine-CO2 'activation' complexes in solution using ATR-FTIR is reported. While cyclic guanidines TBD and MTBD form stable and detectable complexes with CO2, other guanidines and tertiary amines do not.
Kaufhold, S, Nguyen, BN, Nicholls, R
core   +1 more source

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