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Download QR code; Print/export Download as PDF; ... As the name suggests, a non-nucleophilic base is a sterically hindered organic base that is a poor nucleophile ...
Download QR code; Print/export ... Pages in category "Non-nucleophilic bases" ... This list may not reflect recent changes. Non-nucleophilic base; B. 1,8-Bis ...
Download as PDF; Printable version; In other projects ... It is used as a non-nucleophilic base, being comparable to LiHMDS in terms of steric hindrance. Synthesis
TMP is the starting material for an even stronger base, lithium tetramethylpiperidide and the radical species TEMPO. Another non-nucleophilic base is N,N-diisopropylethylamine . Its aqueous p K aH (conjugate acid dissociation constant, a measure of basicity) is 11.07 at 25 °C, [ 1 ] while its p K a (acid dissociation constant, a measure of ...
N,N-Diisopropylethylamine, or Hünig's base, is an organic compound that is a tertiary amine. It is named after the German chemist Siegfried Hünig . It is used in organic chemistry as a non-nucleophilic base. It is commonly abbreviated as DIPEA, DIEA, or i-Pr 2 NEt.
Tetramethylguanidine is mainly used as a strong, non-nucleophilic base for alkylations, often as a substitute for the more expensive DBU and DBN. [3] Since it is highly water-soluble, it is easily removed from mixtures in organic solvents. It is also used as a base-catalyst in the production of polyurethane. [4]
It is a strong, non-nucleophilic base. It is flammable and moisture sensitive. It is sometimes written in the chemical literature as sodium t-butoxide. It is similar in reactivity to the more common potassium tert-butoxide. The compound can be produced by treating tert-butyl alcohol with sodium hydride. [3]
Because of this combination of properties, it has been used in organic synthesis as a highly selective non-nucleophilic base. [4] Proton sponge also exhibits a very high affinity for boron and is capable of displacing hydride from borane to form a boronium–borohydride ion pair. [5]