Correlation between caffeine contents of green coffee beans and altitudes of the coffee plants grown in southwest Ethiopia

期刊论文
摘要:
Caffeine contents of 45 green coffee bean samples collected from coffee plants grown at different al...
doi:
10.4314/bcse.v32i1.2
作 者:
M. Hagos
作者机构:
期刊编号:
期刊标题:
Bulletin of The Chemical Society of Ethiopia

Solvent free synthesis of n-alkylated imino indoline-2-one derivatives under microwave irradiation

期刊论文
摘要:
The solvent-free microwave-assisted syntheses of N-alkyl isatin Schiff base derivatives are reported...
doi:
10.4314/bcse.v32i2.17
作 者:
R. Zekavati
作者机构:
期刊编号:
期刊标题:
Bulletin of The Chemical Society of Ethiopia

Utility of amino acid coupled 1,2,4-triazoles in organic synthesis: synthesis of some new antileishmainal agents

期刊论文
摘要:
Starting from 3-amino-5-(2-hydroxyphenyl) amino acid coupled triazoles 1a-e , new 3-(2-hydroxyphenyl...
doi:
10.4314/bcse.v32i3.14
作 者:
A. M. M. El-Saghier
作者机构:
期刊编号:
期刊标题:
Bulletin of The Chemical Society of Ethiopia

Boric acid as cost-effective and recyclable catalyst for trimethylsilyl protection and deprotection of alcohols and phenols

期刊论文
摘要:
Boric acid has been used as a green, selective and recyclable catalyst for trimethysilylation of alc...
doi:
10.1590/S0103-50532010000800026
作 者:
University of Kurdis...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

GREEN SYNTHESIS OF 2-AMINO-3-CYANO-4H-CHROMENES IN WATER USING NANO SILICA-BONDED 5-N-PROPYL-OCTAHYDRO-PYRTMIDO[1,2-4]AZEPINIUM CHLORIDE AS AN EFFECTIVE AND REUSABLE NANO CATALYST

期刊论文
摘要:
Nano silica-bonded 5-n-propyl-octahydro-pyrimido[1,2-a]azepinium chloride (NSB-DBU) is reported as a...
doi:
10.4067/S0717-97072015000200008
作 者:
SHARIATI, SAKINEH AS...
作者机构:
期刊编号:
期刊标题:
Journal of The Chilean Chemical Society

Ambient mass spectrometry employed for direct analysis of intact arabica coffee beans

期刊论文
摘要:
The ambient ionization mass spectrometry techniques: desorption electrospray ionization (DESI) and e...
doi:
10.5935/0103-5053.20140094
作 者:
Rezende, Claudia M.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

CO Tolerance and Stability of Proton Exchange Membrane Fuel Cells with Nafion® and Aquivion® Membranes and Mo-Based Anode Electrocatalysts

期刊论文
摘要:
This work presents a CO tolerance study of PtMo/C (70:30, Pt:Mo) and Pt/MoO2-C anode catalysts on pr...
doi:
10.21577/0103-5053.20170230
作 者:
Iezzi, Renato C.
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Isolation and characterization of process related impurities in anastrozole active pharmaceutical ingredient

期刊论文
摘要:
Three impurities ranging from 0.08%-0.12% by peak area in anastrozole active pharmaceutical ingredie...
doi:
10.1590/S0103-50532008000300005
作 者:
Hiriyanna, S. G.;Bas...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Catalyst, Co-ion and the media effect on the oscillatory behavior of resorcinol in the BZ reaction

期刊论文
摘要:
The study pertains to the oscillatory behavior of resorcinol as organic substrate in Belousov-Zhabot...
doi:
10.1590/S0103-50532009000700010
作 者:
Peerzada, G. M.;Gana...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

The relevance of the CO2 partial pressure of sodium bicarbonate solutions for the mass cultivation of the microalga Spirulina

期刊论文
摘要:
Commercial production of the "magic" blue-green microalga Spirulina , a desired health food, is stea...
doi:
10.1590/S0103-50531997000500004
作 者:
Alava, Daniel de;Pon...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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