Application of h-point standard addition method for simultaneous spectrophotometric determination of hydrochlorothiazide and propranolol

期刊论文
摘要:
The applicability of H-point standard addition method (HPSAM) to resolving overlapping spectra corre...
doi:
10.1590/S0103-50532009000500009
作 者:
Hajian, Reza;Islamic...
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期刊标题:
Journal of the Brazilian Chemical Society

A phenol-based compartmental ligand as a potential chemosensor for zinc(ii) cations

期刊论文
摘要:
An "end-off"-type compartmental Lewis base, 2,6-bis(2-hydroxybenzyl-2-hydroxyethylamino)methyl-4-met...
doi:
10.1590/S0103-50532009000100004
作 者:
Nanjing University, ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

2-methyl-7-substituted pyrazolo[1,5-a]pyrimidines: highly regioselective synthesis and bromination

期刊论文
摘要:
The reaction of 3-amino-5-methyl-1H-pyrazole with 1,1,1-trichloro-4-alkoxy-3-alken-2-ones [CCl3C(O)C...
doi:
10.1590/S0103-50532009000200003
作 者:
Scapin, Elisandra;Ro...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Clausenain B, a phenylalanine-rich cyclic octapeptide from Clausena anisum-olens

期刊论文
摘要:
A new cyclic octapeptide, named clausenain B, was isolated by a multi-step chromatography procedure ...
doi:
10.1590/S0103-50532009000300011
作 者:
Tan, Ning-Hua;Yunnan...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Two new oleanane saponins from Chiococca alba (L.) Hitch.

期刊论文
摘要:
Two triterpene saponins were isolated from the ethanolic extract of the roots of Chiococca alba (L.)...
doi:
10.1590/S0103-50532009000900024
作 者:
Universidade Federal...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Square-wave voltammetric determination of acetylsalicylic acid in pharmaceutical formulations using a boron-doped diamond electrode without the need of previous alkaline hydrolysis step

期刊论文
摘要:
In this paper the determination of acetylsalicylic acid (ASA) in pharmaceutical formulations using s...
doi:
10.1590/S0103-50532009000200022
作 者:
Medeiros, Roberta A....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Thermal decomposition kinetics of humic substances extracted from mid-Rio Negro (Amazon Basin) soil samples

期刊论文
摘要:
In this work humic substances (HS) extracted from non-flooded (Ara莽谩) and flooded (Iara) soils were ...
doi:
10.1590/S0103-50532009000600020
作 者:
Rocha, Julio Cesar;U...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Catalyst: and solvent-free synthesis of imidazo[1,2-a]pyridines

期刊论文
摘要:
A highly efficient and facile method has been described for the synthesis of imidazo[1,2-a]pyridines...
doi:
10.1590/S0103-50532009000300012
作 者:
Zhu, Dong-Jian;Wenzh...
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期刊标题:
Journal of the Brazilian Chemical Society

Exploiting iminoquinone free radical production for thiol based drugs determination in pharmaceutical formulations

期刊论文
摘要:
A spectrophotometric flow analysis procedure to determine Captopril (CPT) and N-acetyl-L-cysteine (N...
doi:
10.1590/S0103-50532009000900012
作 者:
Korn, Mauro;Universi...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Volatile compounds of Baccharis punctulata, Baccharis dracunculifolia and Eupatorium laevigatum obtained using solid phase microextraction and hydrodistillation

期刊论文
摘要:
In this work the qualitative chromatographic profiles of the volatile oil obtained with fresh choppe...
doi:
10.1590/S0103-50532009000200012
作 者:
Zini, Cláudia Alcara...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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