[Diaminomethylene-sulfonamides and acetals of sulfonylisocyanates].
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Cyanates↗
Biomedical subjects
R Neidlein
Publications and source records attributed to R Neidlein.
[Nucleophilic additions to mustard oils and other heterokumulenes].
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Chemistry, Pharmaceutical↗
[Disubstituted C-chloro-amino-methylenessulfonamides and N-alkoxycarbonyl-C-chloro-methyleneamides].
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Amides↗
[Preparation and reactions of N-(C-chloromercaptomethylene)-carbonic acid amides and their derivatives].
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Amides↗
[N-acyl- and N-sulfonyl-carbamoyl-imino-triphenyl phosphorane].
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Azides↗
[N-methylene sulfonamide derivatives].
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Chemical Phenomena↗
[Heterocyclic isonitriles].
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Chemistry, Organic↗
[Synthesis of C-(N-sulfonyl-amino)-tetrazoles].
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Azoles↗
[Reactions of polyisonitriles. 3].
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Chemistry, Pharmaceutical↗
Potent free radical scavenging activity of propol isolated from Brazilian propolis.
We evaluated free radical scavenging activity of the water, methanol and chloroform extracts of propolis in 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical and xanthine-xanthine oxidase (XOD) generated superoxide anion assay systems. The free radical scavenging activity guided fractionation and chemical analysis led to the isolation of a new compound, propol (3-[4-hydroxy-3-(3-oxo-but-1-enyl)-phenyl]-acrylic acid) from the water extract, which was more potent than most common antioxidants such as vitamin C and vitamin E (alpha-tocopherol) in these assay systems.
Acrylates↗
[Reaction behavior of acylated isocyanates toward azomethines].
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Amines↗