Search Results - "Döpp, Dietrich"

Formation of thiadiazole, thiadiazine, thiadiazepine and pyrazole derivatives in the reaction of 2,4-disubstituted thiosemicarbazides with tetracyanoethylene by Hassan, Alaa A., Aly, Ashraf A., Mostafa, Sara M., Döpp, Dietrich

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Photocycloaddition of four homologous 2-(cycloamino)propenenitriles to 1-acetonaphthone by Döpp, Dietrich, Kruse, Claudia, Erian, Ayman W., Pies, Michael

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Reactions of some annelated 2-aminothiophenes with two naphthoquinones by Fondjo, Emmanuel Sopbué, Döpp, Dietrich

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Preparation of 4-(N,N-dihexylamino)-4'-nitrostilbene (DHANS) by Döpp, Dietrich

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Oxetanes from Photocycloaddition of 2-Aminopropenenitriles to Methyl Phenylglyoxylate and Benzils by Wolven, Christiane van, Döpp, Dietrich, Henkel, Gerald

“…By irradiation of methyl phenylglyoxylate (1) in benzene solution in presence of equimolar amounts of 2-aminopropenenitriles H C=C(NR )CN (3a - e, NR2 =…”
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The surprising photochemistry of sultams related to saccharin by Dopp, Dietrich

“…The known light induced reactions of sulfonamides and sultams are in most (but not all) cases initiated by S–N homolysis. Sulfur dioxide release may be a…”
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Pyrazole, pyrazolo[1,2-c]-1,3,4-thiadiazole and thiadiazepine derivatives from thiosemicarbazides by Hassan, Alaa A., Mohamed, Nasr K., Shawkya, Ahmed M., Döpp, Dietrich

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Novel dicyanomethylene compounds from the reaction of 2-aryl-2,3-dihydro-1H-pyrrolo[3,4-b]quinoxalines with ethenetetracarbonitrile by Hassan, Alaa A., El-Shaieb, Kamal M., Döpp, Dietrich

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Preparation of an unsymmetrically substituted push-pull triphenodioxazine by Döpp, Dietrich, Neubauer, Stefan

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[3+2]-Cycloaddition of 2-(tert-butylsulfanyl)propenoic acid derivatives to cyclooctyne by Döpp, Dietrich, Hof, Matthias

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Photochemical Behavior of 1,3-Diaryltriazene 1-Oxides by El-Din, Ahmed Moukhtar Nour, Mohamed, Shaaban Kamel, Döpp, Dietrich

“…Photolysis of the 1,3-dipolar unsymmetrical 1,3-triazene 1-oxides in aromatic and nonaromatic solvents led to their decomposition. 2-Hydroxyazobenzene, mono-…”
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Reactions of some anellated 2-aminothiophenes with electron poor acetylenes by Sopbué Fondjo, Emmanuel, Döpp, Dietrich, Henkel, Gerald

“…The reactivity of 2-aminothiophenes in two different anellations: (a) [ b]-anellation to a saturated carbocycle and (b) [3,4- c]-anellation to benzopyrans,…”
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Radical intermediates in the photorearrangement of 3-hydroxyindolic nitrones by Alberti, Angelo, Astolfi, Paola, Carloni, Patricia, Döpp, Dietrich, Greci, Lucedio, Rizzoli, Corrado, Stipa, Pierluigi

“…A number of 3-hydroxy substituted indolic nitrones were found to quantitatively photorearrange to (2-benzoylamino)phenyl ketones upon UV-A irradiation…”
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Transients in the photoreduction of dinitroarenes by triethylamine and N,N-dialkylanilines in benzene by Görner, Helmut, Döpp, Dietrich

“…The photochemistry of dinitronaphthalenes (1,3-, 1,4-, 1,5-DNN), 4,4′-dinitrobiphenyl (DNB) and 2,7-dinitrofluorenone (DNF) in benzene at room temperature was…”
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The photolysis of 1-(4,5-dihydro-1H-imidazol-2-yl)benzotriazole by Döpp, Dietrich, Orlewska, Czeslawa, Saczewski, Franciszek

“…1‐(4,5‐Dihydro‐1H‐imidazolo‐2‐yl)benzotriazole was photolyzed at 254 nm yielding 1,2‐dihydro‐4H‐imidazo‐[1,2‐a]benzimidazole…”
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Anomalous addition of 2-cyanoprop-2-yl radicals to 2-(4-t-butyl-2-nitrosophenyl)-2-methylpropanoic acid by Döpp, Dietrich, Becker, Martin

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A novel photoisomerzation of 1,2-benzothiazine 1,1-dioxides to 1,3-benzothiazine 1,1-dioxides by Elghamry, Ibrahim, Döpp, Dietrich, Henkel, Gerald

“…A novel facile photoconversion of 4‐hydroxy‐1,2‐bezothiazine 1,1‐dioxides (3a‐e) into 4‐oxo‐1,3‐2H‐benzothiazine 1,1‐dioxides (4a‐e) and…”
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Reactions of aromatic nitro compounds via excited triplet states by Döpp, D

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Thermolysis of N,N″-1,ω-alkanediyl-bis[n′-organylthiourea] derivatives by Hassan, Alaa A., Döupp, Dietrich

“…The course of microwave assisted or conventional thermal intramolecular heterocyclization of the title compounds has been found to be dependent on the length…”
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Reaction of N1, N2-diarylamidines with 3,4,5,6-tetrachloro-1,2-benzoquinone by Gomaa, Mohsen A.-M, Döpp, Dietrich

“…A synthesis of 5,11b-dihydro-1 H-dibenzo[ d, f][1,3]diazepin-1-ones was found in the reaction of nitro-substituted N 1, N 2-diarylamidines with…”
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