+++ 4 АКС, спасибо, nikolay_ap!

[pokoleg]

Уважаемые химики, помогите, пожалуйста, достать статьи:

1. J. Phys. Chem. A, 2003, 107 (42), pp 8975–8979
Hydrogen-Bonding Ability of a Methyl Group
Svend J. Knak Jensen,*† Ting-Hua Tang,‡ and Imre G. Csizmadia

DOI:

http://dx.doi.org/10.1021/jp035024h

2. J. Am. Chem. Soc., 1998, 120 (50), pp 13256–13257
A New Type of Intramolecular Hydrogen Bonding: Hydroxyl−Methyl Interactions in the o-Cresol Cation
Asuka Fujii,* Eiji Fujimaki, Takayuki Ebata, and Naohiko Mikami

DOI:

http://dx.doi.org/10.1021/ja982922w

3. J. Am. Chem. Soc., 1980, 102 (1), pp 1–7
Nuclear spin-spin coupling via nonbonded interactions. 1. Conformational and substituent effects on vicinal carbon-13-proton and carbon-13-carbon-13 coupling constants
Michael Barfield

DOI:

http://dx.doi.org/10.1021/ja00521a001

4. J. Am. Chem. Soc., 1980, 102 (1), pp 7–12
Nuclear spin-spin coupling via nonbonded interactions. 2. .gamma.-Substituent effects for vicinal coupling constants involving carbon-13
M. Barfield, J. L. Marshall, E. D. Canada Jr.

DOI:

http://dx.doi.org/10.1021/ja00521a002

Заранее большое спасибо!

[nikolay_ap]