secondary amine


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secondary amine

[′sek·ən‚der·ē ′am‚ēn]
(organic chemistry)
An organic compound that may be written R1R2NH, where R1 and R2 designate either identical or different groups.
References in periodicals archive ?
Table 5: Pseudo-first-order competitive rate data for primary and corresponding secondary amines (19) Primary amine [k.
This is attributed to the delayed cross-linking reaction owing to the secondary amine on the D-MWCNT surfaces, which acts as a curing agent for the epoxy resin [32].
2 mmol), and secondary amine (3 mmol), and distill water 10-15 ml were added to the reaction flask and the solution was refluxed for 2 h with vigorous stirring.
The secondary amine addition product was not observed, indicating the secondary amine nucleophilicity is substantially reduced.
The epoxy, primary amine, and secondary amine concentrations were calculated using the integrated area under each respective peak using Lambert-Beer's law while the total amine H concentration was calculated by adding the primary amine H and secondary amine H concentrations from each spectrum.
The Relative Reactivity of Primary and Secondary Amine Hydrogen Atoms of Aromatic Amines with Epichlorohydrin and N- and O- Glycidyl Compounds," J.
Steric hindrance and branching within the -R groups also affect the boiling point of the secondary amine.
The rates of Michael addition of primary amines are higher than that of secondary amines [22], therefore, Michael addition of the secondary amine (piperazine) to HABP was proceeded for 48 h at 38[degrees]C to ensure the completion of the reaction.
Reaction of an epoxy group with a primary amine initially produces a secondary alcohol and a secondary amine.
Since the energy required to form a secondary amine is less than that for a tertiary amine these compositions showed a decrease in peak exotherm values.
TBzTD, based on high molecular weight, low volatility, secondary amine, does not generate nitrosamines as readily as lower molecular weight secondary amines.
Mole of primary and secondary amine per kilogram of AFAAC was determined by potentiometric titration according to Siggia method [24].