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Inverse Electron Demand Diels–Alder Reactions of 1,2,4,5-Tetrazines and 1,2,3-Triazines
The inverse electron demand Diels-Alder reactions of electron-deficient heterocycles are significant cycloaddition reactions for the total synthesis of natural products containing highly substituted and functionalized heteroaromatic ring systems.
Friedel–Crafts Acylation
The Friedel–Crafts acylation is the reaction of an arene with acyl chlorides or anhydrides using a strong Lewis acid catalyst. This reaction proceeds via electrophilic aromatic substitution to form monoacylated products.
1-hydrosilatrane
As a versatile hydride reagent, 1-hydrosilatrane can be used in reduction reactions to synthesize alcohols, amines, their chiral counterparts, and esters from aldehydes/ketones.
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
Spirocyclic Building Blocks for Scaffold Assembly
Spirocyclic modules containing four-membered rings are currently of growing interest to discovery chemists.
Baeyer-Villiger Oxidation Reaction
The Baeyer-Villiger oxidation is the oxidative cleavage of a carbon-carbon bond adjacent to a carbonyl, which converts the ketones to esters and the cyclic ketones to lactones.
Sure/Seal™ Packaging System
Our Sure/Seal air-sensitive and anhydrous packaging system has been improved to incorporate larger puncture are and new elastomer liner which has greater sealing properties.
Unnatural Amino Acids
Unnatural amino acids, the non-proteinogenic amino acids that either occur naturally or are chemically synthesized, are becoming more and more important as tools for modern drug discovery research.
Greener Chemistry: Methods and Products for Amide Bond Formation
Amide bonds are ubiquitous in both nature and industrial applications. They are vital to the structure and function of biological macromolecules and polymers. The importance of this functionality has resulted in numerous approaches to its formation, ranging from stoichiometric activation
Pressure Conversion Table
Pressure conversion table and chart. The pressure converter is ideal for converting atm to pa, bar to psi, kpa to atm, atm to torr and other common units. Quickly convert units of pressure in the lab, classroom or field.
Inverse Electron Demand Diels–Alder Reactions of 1,2,4,5-Tetrazines and 1,2,3-Triazines
The inverse electron demand Diels-Alder reactions of electron-deficient heterocycles are significant cycloaddition reactions for the total synthesis of natural products containing highly substituted and functionalized heteroaromatic ring systems.
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
Diels–Alder Reaction
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. Since the reaction involves the formation of a cyclic product via a cyclic transition state, it is also referred to as
Spirocyclic Building Blocks for Scaffold Assembly
Spirocyclic modules containing four-membered rings are currently of growing interest to discovery chemists.
Protected Carbohydrate Building Blocks for More Efficient Syntheses
Carbohydrates and their biologically active glycoconjugate analogs are emerging as an important class of biomolecules.
Sure/Seal™ Packaging System
Our Sure/Seal air-sensitive and anhydrous packaging system has been improved to incorporate larger puncture are and new elastomer liner which has greater sealing properties.
Pressure Conversion Table
Pressure conversion table and chart. The pressure converter is ideal for converting atm to pa, bar to psi, kpa to atm, atm to torr and other common units. Quickly convert units of pressure in the lab, classroom or field.
Friedel–Crafts Acylation
The Friedel–Crafts acylation is the reaction of an arene with acyl chlorides or anhydrides using a strong Lewis acid catalyst. This reaction proceeds via electrophilic aromatic substitution to form monoacylated products.
Aldol Condensation Reaction
The aldol condensation reaction is an organic reaction introduced by Charles Wurtz, who first prepared the β-hydroxy aldehyde from acetaldehdye in 1872.
Knoevenagel Condensation Reaction
Knoevenagel Condensation is an organic reaction named after Emil Knoevenagel. It is a classic C-C bond formation reaction and a modification of the Aldol Condensation.
Biginelli Reaction
The Biginelli Reaction is an acid-catalyzed, three-component reaction between an aldehyde, b-ketoester, and urea that produces tetrahydropyrimidones, which have potential pharmaceutical applications.
Acid and Base Chart — Table of Acids & Bases
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Acid and Base Chart — Table of Acids & Bases
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Acid and Base Chart — Table of Acids & Bases
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
VSEPR Chart | Valence Shell Electron Pair Repulsion Theory
Use our handy VSEPR chart to find the 3-D geometric VSEPR shapes of molecules and ions. Learn about VSEPR theory and shapes like trigonal planar or square pyramidal. VSEPR stands for valence shell electron pair repulsion.
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
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