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Phytotoxic Volatiles in the Roots and Shoots of Artemisia tridentata as Detected by Headspace Solid-phase Microextraction and Gas Chromatographic-mass Spectrometry Analysis
In the vicinity of big sagebrush ( Artemisia tridentata ), the growth of Nicotiana attenuata is negatively affected, in part due to the alleopathic...
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Synthesis of sterically congested 1,3,4-oxadiazole derivatives from aromatic carboxylic acids, N,N-dicyclohexylcarbodiimide and (N-isocyanimino)triphenylphosphorane
Reactions of ( N -isocyanimino)triphenylphosphorane with N , N -dicyclohexylcarbodiimide in the presence of aromatic (or heteroaromatic) carboxylic acids...
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Recent progress of isocyanide-based multicomponent reactions in Iran
The aim of this review is to provide an overview of the contributions and recent advances made by Iranian scientists in the field of isocyanide-based...
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Total Synthesis and Antileishmanial Activity of the Natural Occurring Acetylenic Fatty Acids 6-Heptadecynoic Acid and 6-Icosynoic Acid
The first total syntheses of the naturally occurring acetylenic fatty acids—6-heptadecynoic acid (59% overall yield) and 6-icosynoic acid (34%...
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Domino Michael–O-alkylation: one-pot synthesis of dialkyl 4-oxo-2,3-dihydro-2,3-furandicarboxylates
AbstractThe KSCN-catalyzed reaction of dialkyl acetylenedicarboxylates with pentane-2,4-dione in acetone, led to dialkyl...
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Facile and efficient synthesis of functionalized iminothiopyran and isothiochromen via one-pot multicomponent reactions
An efficient synthesis of 6 H -6-iminothiopyran-2,3-dicarboxylate and 1 H -isothiochromene-3,4-dicarboxylate derivatives via one-pot reactions between...
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A novel four-component reaction for the synthesis of disubstituted 1,3,4-oxadiazole derivatives
The 1:1 imine intermediate generated by the addition of benzyl amine to cyclobutanone is trapped by ( N -isocyanimino)triphenylphosphorane in the...
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Novel and efficient one-pot five- and six-component reactions for the stereoselective synthesis of highly functionalized enaminones and dithiocarbamates
Efficient methods for stereoselective synthesis of polyfunctional ( E )-enaminones and ( Z )-dithiocarbamates via one-pot five- and six-component...
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Focus on phosphoaspartate and phosphoglutamate
Protein phosphorylation is a common signalling mechanism in both prokaryotic and eukaryotic organisms. Whilst the focus of protein phosphorylation...
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Seasonal dynamics of fatty acids in the lipids of water moss Fontinalis antipyretica from the Yenisei River
Identification of lipid fatty acids (FA) and studying of their seasonal dynamics in water moss Fontinalis antipyretica from the Yenisei River were...
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Diastereoselective synthesis of fused [1,3]oxazines from ethyl pyruvate, activated acetylenes and N-heterocycles
The 1:1 zwitterionic intermediates obtained from the reaction between isoquinoline, quinoline, pyridine, or N -methylimidazole with activated...
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New Bioactive Oxylipins Formed by Non-Enzymatic Free-Radical-Catalyzed Pathways: the Phytoprostanes
In animals and plants, fatty acids with at least three double bonds can be oxidized to prostaglandin-like compounds via enzymatic and non-enzymatic...
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Multicomponent reactions of dimethyl methoxymalonate and dialkyl acetylenedicarboxylate in the presence of N-Nucleophiles: one-pot synthesis of 2H-pyridinyl-2-butenedioates in water
An efficient synthesis of 2 H -pyridinyl-2-butenedioate derivatives via reaction of dimethyl methoxymalonate and dialkyl acetylenedicarboxylate in the...
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Multicomponent synthesis of dihydrobenzoxazepinones, bearing four diversity points, as potential α-helix mimics
A very short convergent synthesis of dihydrobenzoxazepinones, bearing four diverse diversity points, based on coupling the Ugi reaction with a...
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Novel multicomponent reactions involving isoquinoline or phenanthridine and activated acetylenic ester in the presence of heterocyclic NH or 1,3-dicarbonyl compounds
AbstractMulticomponent reactions involving azines (phenanthridine or isoquinoline) and dimethyl acetylenedicarboxylate were undertaken in the...
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An efficient synthesis of substituted 2-iminothiazolidin-4-one and thiadiazoloquinazolinone derivatives
A convenient synthesis of functionalized 2-iminothiazolidin-4-ones and thiadiazoloquinazolinones has been achieved by the reaction of dialkyl...
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Identification of Female-produced Sex Pheromone of the Honey Locust Gall Midge, Dasineura gleditchiae
The honey locust gall midge, Dasineura gleditchiae Osten Sacken 1866 (Diptera: Cecidomyiidae) is the main pest of ornamental varieties of the honey...
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Recent Advances in Biopesticides
Consistent and injudicious applications of pesticides leads to the development of resistance in insects, destruction of beneficial organisms, and...
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Role of sgcR3 in positive regulation of enediyne antibiotic C-1027 production of Streptomyces globisporus C-1027
BackgroundC-1027, produced by Streptomyces globisporus C-1027, is one of the most potent antitumoral agents. The biosynthetic gene cluster of...
