Results 91 to 100 of about 12,017 (229)

Synthesis of Some Novel 1-​(Substituted Phenyl)​-​2-​(4-​(Trimethylsilyl)​-​1H-​1,​2,​3-​Triazol-​1-​yl) Ketones [PDF]

open access: yes, 2015
A facile and highly efficient method for the regioselective one-​pot synthesis of a series of novel 1-​(substituted phenyl)​-​2-​(4-​(trimethylsilyl)​-​1H-​1,​2,​3-​triazol-​1-​yl)​ketones from 2-​bromo-​1-​(substituted phenyl)​ketones, sodium azide, and
Hari Prasad, S., Venkatesh, G.B.
core   +3 more sources

Amino acid vectorization of salicylic acid enables efficient activation of NPR1‐dependent defense without phytotoxicity

open access: yesPest Management Science, EarlyView.
Amino acid‐vectorized salicylic acid activates PR1/NPR1‐dependent defenses without phytotoxicity, showing an efficient strategy for controlled delivery and enhanced plant immunity. Abstract BACKGROUND Addressing global food security under rapid population growth and climate change requires sustainable strategies to protect crops from pathogens while ...
Ruth Oussou   +6 more
wiley   +1 more source

Copper(I)-catalyzed tandem reaction: synthesis of 1,4-disubstituted 1,2,3-triazoles from alkyl diacyl peroxides, azidotrimethylsilane, and alkynes

open access: yesBeilstein Journal of Organic Chemistry, 2018
A copper-catalyzed azide–alkyne cycloaddition (CuAAC) reaction for the synthesis of 1,4-disubstituted 1,2,3-triazoles from alkyl diacyl peroxides, azidotrimethylsilane, and terminal alkynes is reported.
Muhammad Israr   +4 more
doaj   +1 more source

Heterociclos 1,2,3-triazólicos: histórico, métodos de preparação, aplicações e atividades farmacológicas 1,2,3-triazolic heterocycles: history, preparations, applications and pharmacological activities

open access: yesQuímica Nova, 2006
The 1,2,3-triazole, known since the end of 19th century, is a very widely used heterocyclic system present in many synthetic substances and commercial pharmaceutical compounds.
Júlio O. F. Melo   +6 more
doaj   +1 more source

Dimethyl‐, Diethyl‐, and Propylene Carbonates: An Emerging Class of Green Solvents for Organic Synthesis

open access: yesThe Chemical Record, EarlyView.
This review highlights recent advances in the use of organic carbonates, dimethyl carbonate (DMC), diethyl carbonate (DEC), and propylene carbonate (PC), as solvents in organic synthesis. Based on over seventy studies from the past 6 years, it shows their application in different organic reaction types, emphasizing their role in safer and more ...
Gabriela T. Quadros   +5 more
wiley   +1 more source

Synthesis of bi- and bis-1,2,3-triazoles by copper-catalyzed Huisgen cycloaddition: A family of valuable products by click chemistry

open access: yesBeilstein Journal of Organic Chemistry, 2015
The Cu(I)-catalyzed azide-alkyne cycloaddition reaction, also known as click chemistry, has become a useful tool for the facile formation of 1,2,3-triazoles.
Zhan-Jiang Zheng   +3 more
doaj   +1 more source

A reação "click" na síntese de 1,2,3-triazóis: aspectos químicos e aplicações

open access: yesQuímica Nova, 2011
The Copper-catalyzed azide-alkyne cycloaddition (CuAAC), often referred to as "click" reaction, has become a very popular reaction in the last years. It affords exclusively 1,4-disubstituted 1,2,3-triazoles and has been widely used to connect readily ...
Luiza Baptista de Oliveira Freitas   +5 more
doaj   +1 more source

Estrogen Deprivation During Primate (Papio anubis) Pregnancy: Impact on Systemic Microvascular Flow and Cardiovascular Development and Function After Birth in Offspring

open access: yesJournal of Medical Primatology, Volume 55, Issue 3, June 2026.
ABSTRACT Background Suppressing estradiol (E2) during baboon pregnancy lowers offspring skeletal muscle capillary density, vital for insulin‐mediated glucose uptake, and induces insulin resistance. We examined whether E2 deprivation also impairs microvascular flow and cardiac function.
Sifa Turan   +4 more
wiley   +1 more source

Crystal Structures of 2-Phenyl-2H-1,2,3-Triazol-4-Carbaldehyde, an Active a-Glycosidase Inhibition Agent, and (1-Phenyl-1H-1,2,3-Triazol-4-yl)Methyl Benzoate and (2-(4-Fluorophenyl)-2H-1,2,3-Triazole-4-yl)Methanol, Two Moderately Active Compounds [PDF]

open access: yes, 2015
The use of the NCS crystallographic service at Southampton and the valuable assistance of the staff there are gratefully acknowledged.
da Silva, Fernando C.   +4 more
core   +1 more source

1,4‐Pentanediol as an Alternative Biomass‐Derived Medium for the Phosphine‐Free Heck Coupling Reactions

open access: yesChemSusChem, Volume 19, Issue 9, 14 May 2026.
In this research, a phosphine‐free Heck coupling reaction was performed using biomass‐derived 1,4‐pentanediol and a polar protic solvent. It was demonstrated that a wide scope of products could be isolated by a simple filtration, eliminating the high‐solvent‐consuming column chromatography and reducing the E‐factor by more than 90% compared to ...
Csaba Árvai, László T. Mika
wiley   +1 more source

Home - About - Disclaimer - Privacy