Results 91 to 100 of about 114,544 (214)

Synthesis of β-(Hetero)aryl Ketones via Ligand-Enabled Nondirected C−H Alkylation

open access: yes
β-Aryl ketones are present in various natural products and bioactive molecules. Till now, -aryl ketone has been synthesized through the directing group (DG) approach or Mizoroki-Heck coupling.
Yogesh , Bairagi   +5 more
core   +1 more source

Metal-Free, One-Pot, Sequential Protocol for Transforming α,β-Epoxy Ketones to β‑Hydroxy Ketones and α‑Methylene Ketones

open access: yes, 2016
A new sequential, one-pot protocol for transforming 1,3-disubstituted 2,3-epoxy ketones to β-hydroxy ketones and α-methylene ketones has been developed.
Eietsu Hasegawa (1435312)   +3 more
core   +1 more source

Application of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity

open access: yesJournal of the Brazilian Chemical Society, 2004
The semi-empirical topological index, previously developed by Heinzen and Yunes, has been applied to predict the chromatographic retention of aliphatic ketones and aldehydes on stationary phases of different polarities (HP-1, HP-50, DB-210 and Innowax ...
Junkes Berenice da S.   +3 more
doaj  

Reductive Amination of Aldehydes and Ketones with Primary Amines by Using Lithium Amidoborane as Reducing Reagent

open access: yes, 2012
A variety of secondary amines were obtained in high isolated yields in the reductive amination of aldehydes and ketones by using lithium amidoborane as reducing agent.
Xu Weiliang   +4 more
core   +1 more source

Ether formation through reductive coupling of ketones or aldehydes catalyzed by a mesoionic carbene iridium complex

open access: yes, 2017
A promiscuous triazolylidene iridium complex efficiently catalyses the etherification of ketones and aldehydes and also promotes deoxygenation and hydrosilylation.
A. Vivancos   +5 more
core   +1 more source

A Focus on Heart Failure Management through Diet and Nutrition: A Comprehensive Review

open access: yesHearts
There is emerging evidence to suggest that diet and dietary interventions can have an impact on heart failure (HF) outcomes. Currently, the restriction of salt intake is the only dietary advice that is consistently guideline-recommended for the ...
Lee P. Liao   +4 more
doaj   +1 more source

Asymmetric cyanosilylation of ketones catalyzed by chiral N-oxide-titanium (IV) complex

open access: yes, 2002
A new approach for the asymmetric addition of trimethylsilylcyanide to ketones using chiral N-oxide-Ti(iPrO)(4) Complex as catalyst is reported, The screening of a number of chiral N-oxides has resulted in a system that lives the O-TMS ethers of ...
Jiang, YZ   +4 more
core  

Organocatalytic enantioselective indole alkylations of alpha,beta-unsaturated ketones

open access: yes, 2007
The C3-selective enantioselective Michael-type Friedel - Crafts alkylations of indoles with nonchelating alpha, beta-unsaturated alkyl ketones, catalysed by a chiral primary amine derived from natural cinchonine, were investigated.
Yue, L   +7 more
core  

Vibrational Spectroscopic and Quantum-Chemical Study of Indole–Ketone Hydrogen-Bonded Complexes

open access: yesMolecules
This study investigates the structural and energetic properties of hydrogen-bonded complexes between indole and a range of aliphatic, cyclic, and aromatic ketones using a combined vibrational spectroscopic and quantum-chemical approach. FTIR measurements
Branislav Jović   +3 more
doaj   +1 more source

ketones

open access: yes, 2014
Citation: 'ketones' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.K03386 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial usage
openaire   +1 more source

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