Results 71 to 80 of about 899 (191)

Enhancing the Chemical Reactivity of Graphene through Substrate Engineering

open access: yesSmall, Volume 22, Issue 25, 4 May 2026.
This review highlights methods to enhance the reactivity of graphene through substrate engineering, focusing on strain and charge doping. Strains induced by nanoparticles, metal crystal orientations, or stretchable polymers increase the reactivity of graphene.
Jia Tu, Mingdi Yan
wiley   +1 more source

perfluoroalkylaromatic compounds [PDF]

open access: yes, 1986
Trifluororaethjrl-substituited compounds find applications as both pharmaceutical and plant protection products. As these compounds have to undergo rigorous tests before being placed on the market, improved methods are required for the introduction ...
Carr, Gillian B
core  

How Deep in Molecular Space can Periodicity be Found? [PDF]

open access: yes, 2005
We find occasional echoes of periodicity, i.e. the trends found in the chart of the elements, in several-atom (up to 32) molecules and use it to make forecasts for molecular data, some of which have been ...
Hefferlin, Ray   +2 more
core   +1 more source

A New Class of Nucleosides. Synthesis, Reactivity and Biological Activity of Keto-Hexose Nucleosides [PDF]

open access: yes, 1975
Direct oxydation of sterically hindered hexosyl purines led to keto-hexosylpurines, important synthetic intermediates. The first unsaturated keto-nucleosides have also been obtained by acetylation of the corresponding keto-hexosyl purines.
Antonakis, K.
core   +2 more sources

Synthesis of Sulfur Heterocycles by Palladium‐Catalyzed Cyclization

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 14, 15 April 2026.
In spite of the well‐known palladium thiophilicity, sulfur‐containing acyclic substrates may efficiently undergo several different kinds of palladium‐catalyzed cyclization processes leading to highly important sulfur heterocycles in one synthetic step. Advances in this challenging and stimulating field of research are presented in this review.
Bartolo Gabriele
wiley   +1 more source

Palladium-catalyzed carbonylation in the presence of N-heterocyclic amines as nucleophilic agents [PDF]

open access: yes, 2021
Az átmenetifém-komplexek homogénkatalitikus reakciókban történő vizsgálata hosszú évtizedekre tekint vissza. Elsőként Wilkinson és munkatársai írták le a ródium-komplexekkel végrehajtott katalitikus hidrogénezést, amellyel felhívták a figyelmet az ...
Gergely Máté
core  

Synthesis and reactivity of enediynes [PDF]

open access: yes, 2004
The discovery of a class natural products with anti-cancer properties, the enediynes, has stimulated interest in their research. Due to their cytotoxicity, these compounds are not feasible for use in cancer treatment, however, synthetic work has ...
Hecnar, Tiffany Rose
core  

Aminocarbonilation reactions of iodoaromatics [PDF]

open access: yes, 2018
A szintetikus szerves kémiában az 1970-es évektől új utak nyíltak, melyek forradalmasították a szénvegyületek előállítását. A keresztkapcsolási reakciók felfedezése, az átmenetifém-katalizátorok alkalmazása megújította a szintézisekkel kapcsolatos ...
Marosvölgyi-Haskó Diána
core  

2,2'-Bipyridine Derivatives as Halogen Bond Acceptors in Multicomponent Crystals. [PDF]

open access: yesCryst Growth Des, 2023
Kučas F   +4 more
europepmc   +1 more source

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