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2-tert-Butyl-1,1,3,3-tetramethylguanidine is an organic base, also known as Barton's base. It is named after Nobel Prize-winning British chemist Derek Barton . Barton and his assistants prepared a series of guanidines with steric hindrance in 1982; in this case five alkyl groups : four methyl groups and one tert -butyl group .
Caubère defines superbases as "bases resulting from a mixing of two (or more) bases leading to new basic species possessing inherent new properties. The term superbase does not mean a base is thermodynamically and/or kinetically stronger than another, instead it means that a basic reagent is created by combining the characteristics of several ...
As a strong base, TBD fully deprotonates most phenols, carboxylic acids, and some carbon acids. [7] It catalyzes a variety of reactions including Michael reactions , Henry reactions , transesterification reactions, and Knoevenagel condensations .
a strong base used in organic synthesis Sodium hydroxide: strong base with many industrial uses; in the laboratory, used with acids to produce the corresponding salt, also used as an electrolyte: Sodium hypochlorite: frequently used as a disinfectant or a bleaching agent Sodium nitrite: used to convert amines into diazo compounds Sulfuric acid
One example is hexachlorocyclotriphosphazene (−N=P(−Cl) 2 −) 3. Bis(triphenylphosphine)iminium chloride [Ph 3 P=N=PPh 3] + Cl − is also referred to as a phosphazene, where Ph = phenyl group. The present article focuses on those phosphazenes with the formula R−N=P(−NR 2) 3.
A strong base is a basic chemical compound that can remove a proton (H +) from (or deprotonate) a molecule of even a very weak acid (such as water) in an acid–base reaction. Common examples of strong bases include hydroxides of alkali metals and alkaline earth metals, like NaOH and Ca(OH) 2, respectively. Due to their low solubility, some ...
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