Theoretical study of the basicity of alkyl amines in vacuo and in different solvents: a density functional theory approach

B Safi, K Choho, F De Proft, P Geerlings - Chemical physics letters, 1999 - Elsevier
A study is presented on the basicities of alkyl-substituted amines both in the gas phase and
in solution. In the first step, calculated group hardnesses are used to clarify the origin of the …

The influence of solvents on the basicity of dipolar amines

AD Headley, ME McMurry - Journal of physical organic …, 1994 - Wiley Online Library
The relative basicities of six monosubstituted dipolar trimethylamines (XCH2NMe2) were
determined in nine different solvents from potentiometric titration. Solvation effects on …

The use of global and local molecular parameters for the analysis of the gas-phase basicity of amines

W Yang, WJ Mortier - Journal of the American Chemical Society, 1986 - ACS Publications
It is demonstrated that the variationof the gas-phase basicities of amines can be analyzed by
using two parameters: one global and one local (that is, site-dependent). Two global …

Analysis of the basicity of substituted dimethylamines in different solvents by theoretical descriptors

AD Headley, J Nam - Journal of physical organic chemistry, 2002 - Wiley Online Library
By using theoretically determined descriptors in quantitative structure–property
relationships, quick and good a priori predictions of molecular properties can be …

Methylamines basicity calculations: in vacuo and in solution comparative analysis

I Tunon, E Silla, J Tomasi - The Journal of Physical Chemistry, 1992 - ACS Publications
A purely electrostatic method that does not explicitly takeaccount of specific interactions
such as hydrogen bondshas been used to calculate the basicity ordering of methylamines in …

Theoretical study of strong basicity in aromatic diamines

E Fujiwara, K Omoto, H Fujimoto - The Journal of Organic …, 1997 - ACS Publications
The basic strength of NH3, NH2 (CH3), NH (CH3) 2, and N (CH3) 3 has been evaluated by
generating for each species the orbital that plays the dominant role in electron delocalization …

Structural and energetic analysis of gas-phase hydrated ammonium ions with relevance to the" anomalous" order in amine basicities

RS Drago, TR Cundari, DC Ferris - The Journal of Organic …, 1989 - ACS Publications
The underlying cause for the anomalous basicityof the methylamine series in aqueous
solution is investigated. The proton affinity of theamines in the gas phase follows the order …

Basicity of primary amines: a group properties based study of the importance of inductive (electronegativity and softness) and resonance effects

A Baeten, F De Proft, P Geerlings - Chemical physics letters, 1995 - Elsevier
The group properties of substituents are invoked to explain the gas phase proton affinity of a
variety of primary amines XNH2. A triple correlation using the group electronegativity, group …

Computational studies of aliphatic amine basicity

DC Caskey, R Damrauer, D McGoff - The Journal of Organic …, 2002 - ACS Publications
Computational studies have been used to examine the structural and energetic effects of
adding small numbers of water molecules to ammonia, methylamine, dimethylamine, and …

Basicity of organic bases and superbases in acetonitrile by the polarized continuum model and DFT calculations

Z Glasovac, M Eckert-Maksić, ZB Maksić - New journal of chemistry, 2009 - pubs.rsc.org
The basicities of a large number of organic bases and superbases, including nitrogen basic
centers in various chemical environments occurring in phosphazenes, amidines, amines …