Definition of Iminium. Meaning of Iminium. Synonyms of Iminium

Here you will find one or more explanations in English for the word Iminium. Also in the bottom left of the page several parts of wikipedia pages related to the word Iminium and, of course, Iminium synonyms and on the right images related to the word Iminium.

Definition of Iminium

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Postliminium
Postliminium Post`li*min"i*um, Postliminy Post*lim"i*ny, n. [L. postliminium, post after + limen, liminis, a threshold.] 1. (Rom. Antiq.) The return to his own country, and his former privileges, of a person who had gone to sojourn in a foreign country, or had been banished, or taken by an enemy. --Burrill. 2. (Internat. Law) The right by virtue of which persons and things taken by an enemy in war are restored to their former state when coming again under the power of the nation to which they belonged. --Kent.

Meaning of Iminium from wikipedia

- chemistry, an iminium cation is a polyatomic ion with the general structure [R1R2C=NR3R4]+. They are common in synthetic chemistry and biology. Iminium cations...
- of an active enamine nucleophile) or iminium catalysis (by forming catalytic quantities of an activated iminium electrophile). This mechanism is typical...
- pathway. The driving force for this reaction is the electrophilicity of the iminium ion generated from the condensation of the aldehyde and amine under acid...
- reactions, the anion is PO2Cl2−. The iminium cation [(CH3)2N=CHCl]+ is the reactive component of interest. This iminium species is a derivative of the imidoyl...
- Azomethine ylides are nitrogen-based 1,3-dipoles, consisting of an iminium ion next to a carbanion. They are used in 1,3-dipolar cycloaddition reactions...
- forming an iminium ion with carbonyl groups of α,β-unsaturated aldehydes (enals) and enones in a rapid chemical equilibrium. This iminium activation lower...
- formation of the tertiary amine is more favorable, as the intermediate in iminium ion is formed without needing to protonate. Hence the treatment of a primary...
- The enamine nucleophile can attack haloalkanes to form the alkylated iminium salt intermediate which then hydrolyzes to regenerate a ketone (a starting...
- ion (2), also called the Vilsmeier reagent. The initial product is an iminium ion (4b), which is hydrolyzed to the corresponding ketone or aldehyde during...
- An intermolecular formal [3+3] cycloaddition between an cyclic iminium chloride and cyclopentenone....