Results 51 to 60 of about 18,306 (270)
Green Chemistry Letters and Reviews, 2018 Microwave assisted synthesis of 1-substituted-1H-tetrazoles was developed using zinc sulfide nanoparticles as heterogeneous catalyst under solvent free conditions.
Hossein Naeimi +2 more
doaj +1 more source
Scientific Reports, 2023 An efficient synthesis of 5-substituted 1H-tetrazoles was successfully achieved through one-pot multi-component condensation reactions of some aromatic aldehydes or indolin-2,3-dione with malononitrile and sodium azide using diverse reaction conditions ...
Ahmed El-Sewedy +4 more
doaj +1 more source
Kinetics and mechanism of organocatalytic aza-Michael additions: direct observation of enamine intermediates. [PDF]
, 2012 The imidazoles 1a–g add to the CC-double bond of the iminium ion 2 with rate constants as predicted by the equation log k = sN(N + E). Unfavourable proton shifts from the imidazolium unit to the enamine fragment in the adduct 3 account for the failure of
Ahrendt +33 more
core +1 more source
Harnessing Methyltransferase‐Guided Targeting for Sequence‐Specific Proximity Labeling of DNA
Angewandte Chemie, Volume 138, Issue 15, 6 April 2026.A novel methyltransferase‐mediated approach leveraging rationally designed S‐adenosyl‐L‐methionine (SAM) analogues was developed to achieve sequence‐specific DNA labeling but in proximity to the natural transfer site, addressing key limitations of previously established methods, including ligand instability and methylation‐sensitive labeling.
Xiong Chen +8 more
wiley +2 more sources
Synthesis of Azoles Condensed with, or Linked to, Nitroxides [PDF]
, 2015 Nitroxides connected to indoles, tetrazoles, or 1,3,4-oxadiazoles were synthesized by conventional and microwave-assisted cyclization reactions. New approaches to pyrrole-, pyrazole-, and triazoleannulated nitroxides are described.
Bognár, Balázs +4 more
core +1 more source
Advanced Science, EarlyView.ABSTRACT Inositol pyrophosphates (PP‐InsPs) are central regulators of eukaryotic signaling events. While certain PP‐InsP isomers have been conclusively linked to the regulation of phosphate homeostasis through interaction with SPX domain‐containing proteins in plants, the functions of the recently discovered isomer 4/6‐PP‐InsP5 remain largely unknown ...
Kevin Ritter +10 more
wiley +1 more source
Zn/MeOH-Mediated Practical and Easy Detritylation of Protected 1-Trityltetrazoles [PDF]
, 2016 A practical and low-cost method for the detritylation of 1-titryltetrazoles using zinc and methanol is described. This procedure is versatile and efficient in the deprotection of several protected tetrazoles bearing aliphatic, aromatic, and ...
Behloul, Cherif +6 more
core +2 more sources
Electrostatic Activation of Tetrazoles [PDF]
The Journal of Organic Chemistry, 2020 Photoactivation of tetrazoles to form nitrile imines primed for 1,3-dipolar cycloaddition reactions is of widespread utility in chemistry. In contrast, the corresponding thermal reactions usually possess prohibitively high barriers and have garnered significantly less attention.
Vincent Doan +2 more
openaire +3 more sources
Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries
Advanced Energy Materials, EarlyView.This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu +5 more
wiley +1 more source
Long-range 1H-15N J couplings providing a method for direct studies of the structure and azide-tetrazole equilibrium in a series of azido-1,2,4-triazines and azidopyrimidines [PDF]
, 2013 The selectively 15N labeled azido-1,2,4-triazine 2*A and azidopyrimidine 4*A were synthesized by treating hydrazinoazines with 15N-labeled nitrous acid.
Arseniev, A. S. +6 more
core +1 more source