Showing 1-30 of 64 results for "rearrangements"
Fries Rearrangement
The Fries rearrangement reaction is an organic name reaction which involves the conversion of phenolic esters into hydroxyaryl ketones on heating in the presence of a catalyst. Suitable catalysts for this reaction are Brønsted or Lewis acids such as HF...
Gold Catalyst
We are proud to offer a treasure-trove of gold precatalysts and silver salts, as well as an extensive portfolio of unsaturated building blocks to accelerate your research success in this exciting field.
Gold Catalysts
Recent advancements, spearheaded by F. Dean Toste (University of California, Berkeley) and others, have propelled gold into the forefront of transition metal catalysts
Chin Group – Professor Product Portal
The Chin group is interested in computational and experimental approaches to understanding stereoselective recognition and catalysis. Their studies in weak forces (H-bonding, electronic and steric effects) has led to a highly efficient method for making limitless varieties of chiral vicinal...
N-Heterocyclic Carbenes
Echavarren and co-workers have also demonstrated the utility of Au-NHCs in the reactions of 1,6-enynes. They determined that the outcome of the cyclization of 1,6-enyne 1 was dependent on the ligand coordinated to the metal. When 2 was used in...
Selectfluor™
Selectfluor<sup>™</sup>
Cycloisomerization of 1,4-, 1,5-,1,6-, and 1,7-Enynes
Cycloisomerization of 1,4-, 1,5-,1,6-, and 1,7-Enynes
Hydroazidation Catalyst
The chemistry of organoazides is exceedingly rich, since the azide functionality reacts with electrophiles, nucleophiles, and dipolarophiles, with or without the extrusion of dinitrogen. Common place transformation such as Staudinger reductions or ligations, Cu(I)-catalyzed Huisgen cycloadditions (of the “click”...
Cracking the Cancer Code
Effective cancer prevention and therapy requires knowing the molecular changes in regulatory genes and their disease-associated consequences.
Chiral Vicinal Diamines for Asymmetric Synthesis
Chiral vicinal diamines are of tremendous interest to the synthetic chemist as they are found in many chiral catalysts and pharmaceuticals.
Rhenium-Oxo Catalysts
Rhenium(V) forms a large number of stable octahedral complexes with multiple bonds to oxygen with traditional Re systems focusing on formal, stoichiometric oxygen atom transfer to organic reductants such as phosphines, alkenes, and sulfides.
Tambar Group – Professor Product Portal
The Tambar Group has developed a series of reactions to convert unactivated olefins into value-added products (e.g., allylic amination, allylic alkylation).
Oligonucleotide Quantification
DNA absorbs ultraviolet light due to its highly conjµgated nature. DNA may thus be easily quantitated in a UV spectrometer.
An ECM Mimetic Library for Engineering Surfaces to Direct Cell Surface Receptor Binding Specificity and Signaling
The extracellular (ECM) microenvironment, defined by biochemical cues and physical cues, is a deciding factor in a wide range of cellular processes including cell adhesion, proliferation, differentiation, and expression of phenotype-specific functions. For this reason, engineering the ECM microenvironment provides...
Abl
Sigma-Aldrich offers many products related to Abl for your research needs.
Overview of Cancer Biology
We deliver the broadest selection available of carcinogenic and chemopreventive biochemicals, as well as research reagents and kits for apoptosis, angiogenesis, biomarker identification, metabolomics, and functional genomics.
(+)-Sparteine Surrogate
Sigma-Aldrich.com presents an article concerning (+)-Sparteine Surrogate.
Fluorescent Live Cell Imaging of Cytoskeleton Structure Proteins using LentiBrite™ Lentiviral Biosensors
High titer lentiviral particles including beta-actin, alpha-tubulin and vimentin used for live cell analysis of cytoskeleton structure proteins.
Ketone and Aldehyde α-Oxygenation
The α-hydroxycarbonyl moiety is an important structural motif in organic synthesis and is present in a substantial number of natural products.
Downstream Applications after Genomic DNA Purification
This page shows downstream applications after genomic DNA purification.
Glucose in Cell Culture
Importance and uses of glucose in serum-free eukaryotic, including hybridoma and Chinese Hamster Ovary (CHO) cell, cultures
PEPPSI™ Catalyst - Introduction, Advantages and Applications
Professor Mike Organ, along with Drs. Chris O’Brien and Eric Kantchev, have developed an elegant Pd-NHC catalyst system. The title complex PEPPSI™ stands for Pyridine-Enhanced Precatalyst Preparation Stabilization and Initiation.
Inorganic Nanoparticles — Unique Properties and Novel Applications
This article highlights the rich variety of structures and properties that can be realized in materials based on inorganic nanoparticles, and points to outstanding fundamental questions raised in controlling these properties.
Traceless Staudinger Ligation
Traceless Staudinger Ligation
Benzoylation Reagents
The α-hydroxycarbonyl moiety is an important structural motif in organic synthesis and is present in a substantial number of natural products.
Catalysts for Carbonylation
Professor Geoffrey Coates and co-workers at Cornell University have reported the preparation and use of catalysts composed of an oxophilic Lewis acid and a cobalt tetracarbonyl anion for the ring expansive carbonylation of epoxides to b-lactones and b-lactones to succinic...
NHC Ligands & Complexes
Our stable and tolerable NHC ligands and complexes can be used as efficient ancillary ligands to keep your work flowing in organometallic catalysis and catalysis chemistry research.
Catalytic Amide Bond Formation Protocol
Information on the Amide bond and the Catalytic Amide Bond Formation Protocol. Amidation of amines and alcohols. The amide bond, an important linkage in organic chemistry, is a key functional group in peptides, polymers, and many natural products and pharmaceuticals.
Traceless Staudinger Ligation
Based on the same working principle as the nontraceless Staudinger Ligation the auxiliary phosphine reagent can be cleaved from the product after the ligation is completed leaving a native amide bond. Thus, the total chemical synthesis of proteins and glycopeptides...
G Proteins (Heterotrimeric)
Heterotrimeric G proteins, comprising α, β and γ subunits, respond to extracellular signals generated by activated seven-transmembrane (7TM) receptors by modulating intracellular effector proteins such as enzymes and ion channels.

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