Results 71 to 80 of about 8,566 (174)

Effect of α‐Hydrazino Acids on the Performance of H‐Pro–Pro‐Xaa Catalysts in the Conjugate Addition of Aldehydes to Nitroolefins

open access: yesChemistrySelect, Volume 11, Issue 11, 18 March 2026.
The tripeptide Pro‐Pro‐D‐hVal‐OMe, which lacks an acidic group, catalysed the conjugate addition of aldehydes to nitroolefins and afforded γ‐nitroaldehydes in 79–97% yield and 88:14–93:7 e.r. The proposed reaction mechanism relies on the active role of hydrazide NHβ or NHα protons in hydrogen bonding with the reacting species.
Ivona Banović   +2 more
wiley   +1 more source

Electrocatalytic Reduction and Oxidation Conversion of Plant Biomass

open access: yesSmall Structures, Volume 7, Issue 3, March 2026.
This review therefore establishes a unified “compound–catalyst–conversion” paradigm, systematically categorizing and analyzing electrocatalytic oxidation and reduction pathways for the three major classes of plant‐derived components—aromatics, aliphatics, and terpenoids—to provide a clear navigational map for the field.
Zhuoya Zhao   +7 more
wiley   +1 more source

Illicit Drug‐Derived Volatile Organic Compounds as Markers for Application in Noncontact Detection Technology

open access: yesThe Chemical Record, Volume 26, Issue 3, March 2026.
This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim   +4 more
wiley   +1 more source

Cyclohexanone Oxidation over H3PMo12O40 Heteropolyacid via Two Activation Modes Microwave Irradiation and Conventional Method

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2019
The adipic acid (AA), important precursor for Nylon production, was synthesized from cyclohexanoneoxidation by two ways, microwaves irradiation and  conventional method (under reflux) using H3PMo12O40 heteropolyacid as catalyst in the presence of ...
Yasmina Idrissou   +5 more
doaj   +1 more source

An efficient, microwave-assisted, one-pot synthesis of novel 5,6,7,8-tetrahydroquinoline-3-carbonitriles [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
An efficient, microwave-assisted synthesis of novel 2-alkoxy-5,6,7,8--tetrahydroquinoline-3-carbonitriles, which have not hitherto been reported, via reactions of cyclohexanone and arylidene malononitriles in the corresponding alcohols in presence of ...
VIRESH H. SHAH   +3 more
doaj  

Epoxidation of cyclohexene with cyclohexyl hydroperoxide

open access: yesТонкие химические технологии
Objectives. To investigate the regularities of the process of joint production of epoxycyclohexane, cyclohexanol, and cyclohexanone using the cyclohexene epoxidation reaction with cyclohexyl hydroperoxide in the presence of an ammonium paramolybdate ...
E. A. Kurganova   +8 more
doaj   +1 more source

Isothermal vapour–liquid equilibria in cyclohexanone + dichloroalkane binary mixtures at temperatures from 298.15 to 318.15 K [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
The vapour pressures of binary mixtures of cyclohexanone + dichloroalkane (1,3-dichloropropane and 1,4-dichlorobutane) were measured at temperatures between 298.15 and 318.15 K. The vapour pressures vs.
DANA DRAGOESCU   +3 more
doaj  

Metodologias de síntese de 2-arilcicloexanonas

open access: yesQuímica Nova, 2003
Several methodologies concerning the preparation of 2-aryl and 2-heteroarylcyclohexanones are presented. The use of these intermediates in the synthesis of chemically and biologically interesting organic compounds is also discussed.
Santos Roberto P.   +3 more
doaj  

Supplementary Material to An efficient, microwave-assisted, one-pot synthesis of novel 5,6,7,8-tetrahydroquinoline-3-carbonitriles [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
n ...
DIPTI K. DODIYA, HARESH K. RAM, AMIT R. TRIVEDI and VIRESH H. SHAH
doaj  

Antileishmanial and antitrypanosomal activity of symmetrical dibenzyl-substituted α,β-unsaturated carbonyl-based compounds

open access: yesDrug Design, Development and Therapy, 2019
Abdulsalam AM Alkhaldi,1 Harry P de Koning,2 Syed Nasir Abbas Bukhari31Biology Department, College of Science, Jouf University, Sakaka, Aljouf 2014, Saudi Arabia; 2Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life ...
Alkhaldi AAM, de Koning HP, Bukhari SNA
doaj  

Home - About - Disclaimer - Privacy