Results 91 to 100 of about 732,397 (247)
Selective N‐Functionalization of Pyrazoles
European Journal of Organic Chemistry, EarlyView.This review traces the evolution of regioselective N‐functionalization strategies for pyrazoles, a key class of nitrogen heterocycles widely used in medicinal chemistry. Due to rapid tautomerism, N‐functionalization often lacks selectivity, leading to poor and unpredictable regioisomeric outcomes.
Lucas Popek +2 more
wiley +1 more source
Salt Lake County Library System Historical Scrapbook, 1972-1973
, 1972 Salt Lake County Library System Historical ...
Salt Lake County (Utah). Library System
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2-[(E)-2-(4-Chlorophenyl)ethenyl]-1-methylpyridinium 4-chlorobenzenesulfonate
Acta Crystallographica Section E, 2009 In the title salt, C14H13ClN+·C6H4ClO3S−, the cation exists in an E configuration with respect to the ethynyl bond and is approximately planar, with a dihedral angle of 3.4 (2)° between the pyridinium and benzene ...
Hoong-Kun Fun +2 more
doaj +1 more source
Ionic liquids: structure–toxicity relationships, predictive toxicology, and sustainable design
Journal of Chemical Technology &Biotechnology, EarlyView.Abstract Ionic liquids (ILs) have often been described as green alternatives to conventional solvents because of their negligible vapor pressure and highly tunable properties. However, low volatility does not necessarily translate into environmental safety, as their biological and ecological effects are strongly influenced by molecular structure.
Letícia Zanchet +5 more
wiley +1 more source
Salt Lake County Library System Historical Scrapbook, 1982
, 1982 Salt Lake County Library System Historical ...
Salt Lake County (Utah). Library System
core
Journal of Heterocyclic Chemistry, EarlyView.One‐pot gold(I)‐catalysts synthesis was developed in order to prepare N‐alkenyl 2‐pyridonyl azides. This method provides a series of N‐alkenyl 2‐pyridonyl azides in moderate to excellent yields (up to 94%). ABSTRACT A novel strategy, involving the preparation of gold‐catalyzed cyclization salts and the rearrangement of these salts in the presence of ...
Ali Osman Karatavuk
wiley +1 more source
Mass Spectrometry Reviews, EarlyView.ABSTRACT The use of MALDI mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well‐established technique and this comprehensive review is the twelfth update of the original article published in 1999 and brings coverage of the literature to the end of 2024.
David J. Harvey
wiley +1 more source
Salt Lake County Jail Library Branch Scrapbook
Salt Lake County Library System Historical ...
Salt Lake County (Utah). Library System
core
Small, EarlyView.This Review presents a cross‐scale framework for single‐atom catalysts, spanning in‐plane and out‐of‐plane coordination; primary coordination, secondary‐sphere interactions, through‐space microenvironments and support interfaces; individual sites and macroscopic architectures; and static design and directed dynamic reconstruction.
Dazhi Yao +4 more
wiley +1 more source
Salt Lake County Library System Historical Scrapbook, 1977
, 1977 Salt Lake County Library System Historical ...
Salt Lake County (Utah). Library System
core +1 more source