Antibacterial modified diketopiperazines from two ascidians of the genus Didemnum

期刊论文
摘要:
The chemical investigation of the crude extract of an ascidian of the genus Didemnumled to the isola...
doi:
10.1590/S0103-50532009000400014
作 者:
Ferreira, Antonio G....
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Journal of the Brazilian Chemical Society

Organophosphorus compounds as chemical warfare agents: a review

期刊论文
摘要:
Chemical warfare agents constitute one of the greatest threats in the modern world. Among them, the ...
doi:
10.1590/S0103-50532009000300003
作 者:
Delfino, Reinaldo T....
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Multiresidue determination of pesticides in drinking water by gas chromatography-mass spectrometry after solid-phase extraction

期刊论文
摘要:
In this work, a method using solid-phase extraction and gas chromatography coupled mass spectrometry...
doi:
10.1590/S0103-50532009000500017
作 者:
Prestes, Osmar D.;Za...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Spark ignition vehicle contributions to atmospheric fine elemental carbon concentrations in coastal, rural and urban communities using polycyclic aromatic hydrocarbon tracers in the CMB model modified for reactivity

期刊论文
摘要:
We apportioned the elemental carbon (EC) component of ambient PM2.5 attributable to emissions from s...
doi:
10.1590/S0103-50532009000700022
作 者:
University of Califo...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Validation of a method using solid phase extraction and liquid chromatography for the determination of pesticide residues in groundwaters

期刊论文
摘要:
A method is described for the determination of the pesticides carbofuran, clomazone, 2,4-D and tebuc...
doi:
10.1590/S0103-50532009000100020
作 者:
Demoliner, Adriana;U...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Essential oil composition of Croton palanostigma Klotzsch from north Brazil

期刊论文
摘要:
The essential oils of leaves, twigs, branches, trunk bark and fruits of Croton palanostigma were ana...
doi:
10.1590/S0103-50532009000600026
作 者:
Centro Universitário...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Different coordination modes for disulfoxides towards diorganotin(IV) dichlorides. X-ray crystal structures of 1,2-cis-bis-(phenylsulfinyl)ethene (rac-,cis-cbpse) and adducts [{Ph2SnCl2(meso-bpse)}n] and [{n-Bu2SnCl2(pdtd)}2]

期刊论文
摘要:
The reactions of meso-1,2-bis(phenylsulfinyl)ethane (meso-bpse) with Ph2SnCl2, 2-phenyl-1,3-dithiane...
doi:
10.1590/S0103-50532009000800008
作 者:
Universidade Federal...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Concentration of airbone trace metals in a bus station with a high heavy-duty diesel fraction

期刊论文
摘要:
Total particulate matter (TSP) and PM10 samples were collected in a bus station, in the period of Au...
doi:
10.1590/S0103-50532009000700020
作 者:
Centro Federal de Ed...
作者机构:
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Journal of the Brazilian Chemical Society

An easy synthesis of 3,5-disubstituted 1,2,4-oxadiazoles from carboxylic acids and arylamidoximes mediated by ethyl chloroformate

期刊论文
摘要:
An efficient, clean and easy high-yielding synthesis of 3,5-disubstituted 1,2,4-oxadiazoles starting...
doi:
10.1590/S0103-50532009000700023
作 者:
Neves Filho, Ricardo...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Vanadium-lithium alkoxides: synthesis, structure, spectroscopic characterisation and accidental degradation of silicone grease

期刊论文
摘要:
Two complexes containing both vanadium and lithium, [V6Li10O8(ONep)14{O2Si(Me)2(ONep)}2] (1) and [V(...
doi:
10.1590/S0103-50532009000400005
作 者:
Reis, Dayane M.;Soar...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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