Antibacterial modified diketopiperazines from two ascidians of the genus Didemnum
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
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....
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Journal of the Brazilian Chemical Society
Multiresidue determination of pesticides in drinking water by gas chromatography-mass spectrometry after solid-phase extraction
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...
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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
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...
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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
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...
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期刊标题:
Journal of the Brazilian Chemical Society
Essential oil composition of Croton palanostigma Klotzsch from north Brazil
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...
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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]
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...
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Journal of the Brazilian Chemical Society
Concentration of airbone trace metals in a bus station with a high heavy-duty diesel fraction
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...
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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
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...
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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
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:
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期刊标题:
Journal of the Brazilian Chemical Society