An Alternative Mechanism for the 1,4-Asymmetric Induction in the Stereoselective Addition of (R)-Pantolactone to 2-Phenylpropylketene

期刊论文
摘要:
An alternative mechanism for the 1,4-assymmetric induction in the stereoselective addition of (R)-pa...
doi:
10.1590/S0103-50532011000400020
作 者:
Barbosa, André G. H....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Application of Pyrite and Chalcopyrite Electrodes for the Acid-Base Determinations in Nitriles

期刊论文
摘要:
The natural minerals pyrite and chalcopyrite have been used as the indicator electrode sensors using...
doi:
10.1590/S0103-50532011000400014
作 者:
University of Kraguj...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Multivariate spectroscopic determination of the lamivudine-zidovudine association

期刊论文
摘要:
The multivariate spectroscopic determination of lamivudine-zidovudine associations was carried out b...
doi:
10.1590/S0103-50532011000200020
作 者:
Messerschmidt, Iara;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Microwave-assisted Passerini reactions under solvent-free conditions

期刊论文
摘要:
Various 伪-acyloxy carboxyamides were easily obtained combining three building blocks in one step: a ...
doi:
10.1590/S0103-50532011000300008
作 者:
Barreto, Angélica de...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Fast method of multi-elemental analysis of stream sediment samples by inductively coupled plasma-mass spectrometry (ICP-MS) with prior single-step microwave-assisted digestion

期刊论文
摘要:
One-step microwave-assisted digestion procedures were investigated with the scope to obtain fast met...
doi:
10.1590/S0103-50532011000300017
作 者:
Roje, Vibor;Universi...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

H6GeMo10V2O40•16H2O nanoparticles prepared by hydrothermal method: a new and reusable heteropoly acid catalyst for highly efficient acetylation of alcohols and phenols under solvent-free conditions

期刊论文
摘要:
A new Keggin-type heteropoly acid, namely decamolybdodivanadogermanic acid (H6GeMo10V2O40聲16H2O), wi...
doi:
10.1590/S0103-50532011000700018
作 者:
Lorestan University,...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Quantification of essential fatty acids in the heads of nile tilapia (Oreochromis niloticus) fed with linseed oil

期刊论文
摘要:
The objective of this study was to examine the effects of linseed oil on n-6 and n-3 polyunsaturated...
doi:
10.1590/S0103-50532011000400005
作 者:
França, Polyana B.;O...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Protolytic properties of dyes embedded in gelatin films

期刊论文
摘要:
The hardened gelatin film fixed on the transparent triacetylcellulose support can be utilized as a c...
doi:
10.1590/S0103-50532011000500007
作 者:
Kharkov V. N. Karazi...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Automation of an analysis system with microvolume porous membrane sampling, capillary electrophoresis separation and contactless conductivity detection for near-real-time monitoring of traces of low-molecular-weight carboxylic acids in air

期刊论文
摘要:
An automatic analysis system was designed by coupling a complete microvolume sampler based on a capi...
doi:
10.1590/S0103-50532011001100019
作 者:
Coelho, Lúcia H. G.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Dispersing carbon nanotubes in phenolic resin using an aqueous solution

期刊论文
摘要:
The ability to control the carbon nanotube (CNT) dispersion in polymers is considered the
doi:
10.1590/S0103-50532011001100004
作 者:
Edwards, Elilton R.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
在线客服 在线留言 小程序 公众号 4001789689 <<显示