Results 21 to 30 of about 35,646 (266)

Synthesis and cellular penetration properties of new phosphonium based cationic amphiphilic peptides [PDF]

open access: yes, 2018
A new category of phosphonium based cationic amphiphilic peptides has been developed and evaluated as potential antimicrobial peptides and cell penetrating peptides.
Gannon, Susan   +7 more
core   +1 more source

Novel 3-Hydroxy-2-Naphthoate-Based Task-Specific Ionic Liquids for an Efficient Extraction of Heavy Metals

open access: yesFrontiers in Chemistry, 2018
Ionic liquids (ILs) are per definition salts with melting points below 100°C and might be green alternatives for the extraction of heavy metals from aqueous solutions due to their favorable environmental and physico-chemical properties.
Philip Pirkwieser   +7 more
doaj   +1 more source

Acidic Brønsted ionic liquids catalyzed the preparation of 2-amino-3-cyanopyridine derivatives under ambient and solvent-free conditions [PDF]

open access: yesشیمی کاربردی روز, 2017
The acidic ionic liquids, 2-pyrrolidonium hydrogensulfate, N-methyl-2-pyrrolidonium hydrogensulfate, triphenyl(propyl-3-sulphonyl)phosphonium toluenesulfonate and (4-sulfobutyl) tris (4-sulfophenyl) phosphonium hydrogensulfate catalyzed one-pot three ...
Ebrahim Mollashahi, Ali Bazgiri
doaj   +1 more source

1-Hydroxyalkylphosphonium Salts—Synthesis and Properties

open access: yesMolecules, 2023
An efficient and convenient method for the synthesis of 1-hydroxyalkylphosphonium salts is described. Reactions were carried out at room temperature, in a short time, and without chromatography for product isolation.
Jakub Adamek   +6 more
doaj   +1 more source

Electrochemistry of ferrocenylphosphines FcCH₂PR₂ (Fc=(η⁵-C₅H₅)Fe(η⁵-C₅H₄); R=Ph, CH₂OH and CH₂CH₂CN), and some phosphine oxide, phosphine sulfide, phosphonium and metal complex derivatives [PDF]

open access: yes, 2003
Electrochemical studies of the free ferrocenylphosphine ligands FcCH₂PR₂ (Fc=(η⁵-C₅H₅)Fe(η⁵-C₅H₄); R=Ph, CH₂OH and CH₂CH₂CN) and some phosphine oxide, phosphine sulfide, phosphonium and metal derivatives are described.
Downard, Alison J.   +2 more
core   +2 more sources

Synthesis and Chemiluminescent Properties of Amino-Acylated luminol Derivatives Bearing Phosphonium Cations

open access: yesMolecules, 2019
The monitoring of reactive oxygen species in living cells provides valuable information on cell function and performance. Lately, the development of chemiluminescence-based reactive oxygen species monitoring has gained increased attention due to the ...
Anna Pantelia   +5 more
doaj   +1 more source

Facile Functionalization of Charcoal by a Green Approach

open access: yesCrystals, 2023
The ability of charcoal, a low-cost material derived from biomass pyrolysis, to be functionalized via cation exchange in an aqueous solution, providing new interesting fillers with possible antimicrobial and flame-retardant properties, is discussed here.
Aida Kiani   +2 more
doaj   +1 more source

Spontaneous dehydrocoupling in peri-substituted phosphine-borane adducts [PDF]

open access: yes, 2016
This work was financially supported by the EPSRC and COST action CM1302 SIPs.Bis(borane) adducts Acenap(PiPr2·BH3)(PRH·BH3) (Acenap = acenaphthene-5,6-diyl; 4a, R = Ph; 4b, R = ferrocenyl, Fc; 4c, R = H) were synthesised by the reaction of excess H3B ...
Cordes, David Bradford   +6 more
core   +2 more sources

Sterically Hindered Phosphonium Salts: Structure, Properties and Palladium Nanoparticle Stabilization

open access: yesNanomaterials, 2020
A new family of sterically hindered alkyl(tri-tert-butyl) phosphonium salts (n-CnH2n+1 with n = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20) was synthesized and evaluated as stabilizers for the formation of palladium nanoparticles (PdNPs), and the prepared PdNPs,
Daria M. Arkhipova   +6 more
doaj   +1 more source

New stable phosphorus ylide (p-tolyl)(3)P = CHCOC6H4 (p-CN) and its metal complexes : crystal and molecular structure, theoretical study and antibacterial investigation

open access: yes, 2020
A new stable phosphorus ylide (p-tolyl)(3)P = CHCOC6H4(p-CN) (Y) was synthesized and a series of novel complexes based on metalated phosphorus ylides were prepared through the reaction of (p-tolyl)(3)P = CHCOC6H4(p-CN) with mercury(II) halides, AgNO3 and
Bayat, Mehdi   +5 more
core   +1 more source

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