Search Results - "Spyroudis, Spyros"

Hydroxyquinones: Synthesis and Reactivity by Spyroudis, Spyros

“…Quinones having hydroxy groups directly attached to the quinone ring constitute a very interesting class of quinoid compounds. A great number of…”
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Acid-catalyzed addition of indoles to hydroxyquinones by Koulouri, Sofia, Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros

“…Hydroxyquinones react smoothly with substituted indoles in the presence of a catalytic amount of p-toluenesulfonic acid to afford a variety of addition…”
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A survey on the reactivity of phenyliodonium ylide of 2-hydroxy-1,4-naphthoquinone with amino compounds by Spagou, Konstantina, Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros

“…The phenyliodonium ylide of 2-hydroxy-1,4-naphthoquinone reacts with aminoesters, ureas, aminoalcohols and aminophenols in refluxing dichloromethane to afford…”
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Triptycene quinones in synthesis: preparation of triptycene bis-cyclopentenedione by Spyroudis, Spyros, Xanthopoulou, Nikoletta

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A Convenient Approach to Fused Indeno-1,4-diazepinones through Hypervalent Iodine Chemistry by Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Tsanakopoulou, Maria, Hadjipavlou-Litina, Dimitra

“…Indenocarboxamides, resulting from the sequential addition of two arylamine equivalents to indanedione ketene dimer, are oxidized by…”
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Cycloaddition Reactions of Indanedioneketene with Electron-Rich Dienophiles: An Experimental and a Theoretical Study by Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Tsovaltzi, Erifili, Bakalbassis, Evangelos G

“…Thermal decomposition of the phenyliodonium ylide of lawsone gives rise to a highly reactive cyclic α,α′-dioxoketene, indanedioneketene, which reacts with…”
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Spiro Cyclohexadienones from the Reaction of Phenolic Enaminone Derivatives with Hypervalent Iodine Reagents by Asmanidou, Anna, Papoutsis, Ioannis, Spyroudis, Spyros, Varvoglis, Anastasios

“…Phenolic enamino compounds, prepared from 2-(4-hydroxyphenyl)-ethylamine and the corresponding β-keto carbonyl compounds, afford spiro cyclohexadienone…”
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Arylation of lawsone through BF3-mediated coupling of its phenyliodonium ylide with activated arenes and aromatic aldehydes by Glinis, Elias, Malamidou-Xenikaki, Elizabeth, Skouros, Haris, Spyroudis, Spyros, Tsanakopoulou, Maria

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A DFT Study on the Thermal Aryl Migration in Aryliodonium Ylides. Support for a Concerted Mechanism by Bakalbassis, Evangelos G, Spyroudis, Spyros, Tsiotra, Elizabeth

“…A DFT study on the intramolecular thermal phenyl migration in iodonium ylides supports a concerted mechanism. In contrast to the two, different than each…”
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Ketene Formation or Phenyl-Group Migration as the Favorable Intramolecular Rearrangement in Phenyliodonium Ylides of Hydroxyquinones by Bakalbassis, Evangelos G., Spyroudis, Spyros, Tsipis, Constantinos A.

“…Phenyliodonium ylides of hydroxyquinones easily undergo intramolecular rearrangements associated with phenyl‐group migration or ketene formation under ambient…”
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Enamino Derivatives of 1,3-Dioxoindane-2-carboxylic Acid by Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Tsanakopoulou, Maria, Krautscheid, Harald

“…Although 1,3-dioxoindane-2-carboxylic acid is highly unstable, its enamino derivatives can be isolated by careful hydrolysis of their esters with…”
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Photochemical reactions of 2,4-dinitro-6-phenyliodonium phenolate with alkenes, alkynes, and aromatic compounds by Spyroudis, Spyros P

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Dimerization of Indanedioneketene to Spiro-oxetanone: A Theoretical Study by Bakalbassis, Evangelos G, Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Xantheas, Sotiris S

“…Indanedioneketene, a compound resulting from the thermal degradation of the phenyliodonium ylide of lawsone, dimerizes quantitatively to a spiro-oxetanone…”
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Dimerization of Indanedioneketene to Spiro-oextanone: A Theoretical Study by Bakalbassis, Evangelos G, Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Xantheas, Sotiris S

“…Indanedioneketene, a compound resulting from the thermal degradation of the phenyliodonium ylide of lawsone, dimerises quantitatively to a spiro-oxetanone…”
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Arylation of lawsone through BF3-mediated coupling of its phenyliodonium ylide with activated arenes and aromatic aldehydes: Hypervalent Iodine Chemistry: Recent Advances and Applications by GLINIS, Elias, MALAMIDOU-XENIKAKI, Elizabeth, SKOUROS, Haris, SPYROUDIS, Spyros, TSANAKOPOULOU, Maria

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Arylation of lawsone through BF 3-mediated coupling of its phenyliodonium ylide with activated arenes and aromatic aldehydes by Glinis, Elias, Malamidou-Xenikaki, Elizabeth, Skouros, Haris, Spyroudis, Spyros, Tsanakopoulou, Maria

“…Phenyliodonium ylide of lawsone, activated by BF 3·Et 2O, reacts with electron-rich arenes to afford the corresponding 2-aryl-3-hydroxy-1,4-naphthoquinones, in…”
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Reactivity of Indanedioneketene Dimer with Amines by Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Tsanakopoulou, Maria, Krautscheid, Harald

“…The highly reactive indanedioneketene 5, resulting from the thermal decomposition of phenyliodonium ylide of 2-hydroxy-1,4-naphthoquinone (lawsone, 4), in the…”
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Aryliodonium Derivatives of 2-Amino-1,4-quinones : Preparation and Reactivity by Papoutsi, Ioannis, Spyroudis, Spyros, Varvoglis, Anastasios, Raptopoulou, Catherine P.

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Triptycene Quinones in Synthesis:  Preparation of Triptycene Cyclopentenedione and Its Reactivity as a Dienophile by Spyroudis, Spyros, Xanthopoulou, Nikoletta

“…Triptycenene quinone 1 was converted to triptycene cyclopentenedione 5 through hydroxyquinone−phenyliodonium ylide formation and thermal ring contraction of…”
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Studies on the Reactivity of Phenyliodonium Ylide of 2-Hydroxy-1,4-Naphthoquinone:  Reactions with Indole Derivatives and Other C-Nucleophiles by Koulouri, Sofia, Malamidou-Xenikaki, Elizabeth, Spyroudis, Spyros, Tsanakopoulou, Maria

“…Thermal decomposition of phenyliodonium ylide of 2-hydroxy-1,4-naphthoquinone (lawsone) in the presence of indole derivatives affords 3-acylated indoles…”
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