N-alkyl Anilines Research Articles

Synthesis of αβ-unsaturated ketones via[2,3] sigmatropic rearrangement of γchloroallyl sulphoxides and amine oxides

When γ-chloroallyl sulphides and N-alkyl anilines are oxidized with m-chloropehbenzoic acid, the resultant S- and N-oxides rapidly undergo [2,3] sigmatropic isomerization to labile products that decompose internally with selective formation of conjugated enones.

Infrared spectra and the molecular conformations of some aliphatic amines

The presence of two CD stretching bands for (CH3)2CDNH2 in dilute CCl4 solution is interpreted in terms of two conformations differing in enthalpy by 0.12 ± 0.02 kcal/mole. The low frequency component is assigned to the thermodynamically more stable conformer with the CD bond trans to the N lone pair. Similar rotational isomerism is observed in CH3CD2NH2 and CD3CH2NH2. Band contours for the NH stretching vibration in some N-alkyl anilines reported previously are also interpreted in terms of rotational isomerism and a change in hybridization of the N atom when the lone pair is trans to an α-CH bond, which results in an increase in vNH and a decrease in vCH.

The inhibited autoxidation of styrene. Part VI. The relative efficiencies and the kinetics for inhibition by N-aryl anilines and N-alkyl anilines

The kinetics and deuterium isotope effects for the N-aryl aniline and N-alkyl aniline inhibited autoxidation of styrene indicate that the rate-controlling step for inhibition involves abstraction of the amino hydrogen by a peroxy radical. The rate constants for this reaction have been correlated by means of the Hammett equation with the σ+ constants of the substituents for diphenylamines (ρ = −0.89) and N-methylanilines (ρ = −1.6). A numerical difference involving a factor of two between the simple kinetic expression applicable to most aromatic amine inhibitors and the expression applicable to most phenols and p-phenylenediamines is suggested. The important role played by the substrate in studies of inhibitor action is emphasized.

<I>N</I>-アルキルアニリンの新合成法

<I>N</I>-アルキルアニリンの新合成法

The Basicities of N-Alkyl Anilines

THE order of the basicities of the N-alkyl anilines, for which no satisfactory explanation has hitherto been proposed, can be accounted for by a consideration of the intramolecular overcrowding that occurs in the corresponding anilinium ions.

Disproportionative Condensations. II. The N-Alkylation of Anilines with Primary Alcohols

Disproportionative Condensations. II. The N-Alkylation of Anilines with Primary Alcohols

Interaction of polynitro-compounds with aromatic hydrocarbons and bases. Part. XII. Complexes of N-alkylated anilines with s-trinitrobenzene and s-trinitrotoluene

Interaction of polynitro-compounds with aromatic hydrocarbons and bases. Part. XII. Complexes of N-alkylated anilines with s-trinitrobenzene and s-trinitrotoluene