Results 61 to 70 of about 10,379 (265)

Late‐Stage Functionalization of Peptides on the Solid Phase

Angewandte Chemie International Edition, EarlyView.
Peptide modifications are essential to control pharmacodynamic and pharmacokinetic properties of peptide drugs. Consequently, strategies that allow for efficient and rapid incorporation of non‐canonical modifications into peptides in parallel formats are highly sought after.
Marius Werner, Truc Lam Pham, Franziska Thomas   +2 more
wiley   +1 more source

Synthesis and Antimicrobial Activity of N-Substituted-β-amino Acid Derivatives Containing 2-Hydroxyphenyl, Benzo[b]phenoxazine and Quinoxaline Moieties

Molecules, 2015
3-[(2-Hydroxyphenyl)amino]butanoic and 3-[(2-hydroxy-5-methyl(chloro)phenyl)amino]butanoic acids were converted to a series of derivatives containing hydrazide, pyrrole and chloroquinoxaline moieties.
Kristina Mickevičienė, Rūta Baranauskaitė, Kristina Kantminienė, Maryna Stasevych, Olena Komarovska-Porokhnyavets, Volodymyr Novikov   +5 more
doaj   +1 more source

Modified porphyrinoids from carbazates and hydrazones and the first crystal structure of a di-iminoporphodimethene

, 2005
Novel porphyrinoids with interrupted conjugation (di-iminoporphodimethenes) result from the Pd-catalyzed coupling of meso-bromo porphyrins and their metal complexes with carbazates and hydrazones, followed by aerial oxidation.
McMurtrie, John C., Arnold, Dennis P., Esdaile, Louisa J., Turner, Peter.   +3 more
core   +1 more source

Solvent- and Catalyst-Free Environmentally Benign High Hydrostatic Pressure-Assisted Synthesis of Bioactive Hydrazones and the Evaluation of Their Stability Under Various Storage Conditions

Molecules
Our group has seen great promise in using substituted diaryl-hydrazones to alleviate oxidative stress in preeclampsia. Specifically, fluorinated diaryl-hydrazones have shown great efficacy, confirmed via antioxidant assays and animal trials using ...
Maximilian Costa, Frances Adhamidhi, Maxim Mastyugin, Adrianna R. Fusco, Alexander Lazarev, Zsuzsanna K. Zsengeller, Marianna Török, Béla Török   +7 more
doaj   +1 more source

Crystal structure of (E)-1-(2,4-dinitrophenyl)-2-[(E)-5-phenyl-1-(p-tolyl)pent-2-en-4-yn-1-ylidene]hydrazine

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C24H18N4O4, the plane of the phenyl ring is inclined to those of the toluene ring and the dinitro-substituted benzene ring by 66.96 (19) and 47.06 (18)°, respectively, while the planes of the two benzene rings are inclined to one ...
Alexander A. Golovanov, Anna V. Vologzhanina, Evgeniya D. Voronova, Vadim V. Bekin, Sergey V. Naumov   +4 more
doaj   +1 more source

Fluoroalkylation métallo-catalysée des hydrazones

, 2016
Fluorine chemistry is attracting the growing interest of organic chemists due to its industrial exploitation in the pharmaceutical and agrochemical fields.
Prieto, Alexis
core   +1 more source

Electrochemical investigations on some hydrazones

, 2000
School of Studies in Chemistry, Jiwaji University, Gwalior-474 011, India Manuscript received 10 November 1998, revised 2 August 1999, accepted 13 August 1999 The electrochemical behaviour of 3-(4'-sulphonamoyl)hydrazono-4-phenylaminobutane-2,4-drones ...
S. Gupta, Seema Gupta, Rajeev Jain, P. Padmaja   +3 more
core   +1 more source

A Reversible 900 nm Near‐Infrared Photoswitch for Invisibly Writable 2D and 3D Displays

Angewandte Chemie International Edition, EarlyView.
The peri‐benzo[a]fluoranthenethioindigo (PBFT) photoswitch enables direct excitation with near‐infrared light up to 900 nm wavelengths. It delivers a high‐performance property profile including high‐contrast color changes between bright green and deep blue.
Elias Ciekalski, Henry Dube
wiley   +1 more source

Reaction of Nitrilimines and Nitrile Oxides with Hydrazines, Hydrazones and Oximes

Molecules, 2005
This review article discusses the reaction of nitrilimines and nitrile oxides with hydrazines, hydrazones, and oximes. Three reaction modes were observed.
Adel M. Awadallah, Abdel-Rahman S. Ferwanah   +1 more
doaj   +1 more source

Asymmetric Hydrocyanation of Hydrazones Catalyzed by Lanthanide−PYBOX Complexes

, 2016
The asymmetric addition of HCN to hydrazones is catalyzed in high yield and good-to-excellent enantioselectivity by the easily prepared (PhPYBOX)ErCl3 complex.
John M. Keith (1464895), Eric N. Jacobsen (1335156)   +1 more
core   +1 more source