Search Results - "Alexandrou, Nicholas E."

Quinoxalino-2,3-quinodimethane formation of 1:1 adducts with dienophiles by Alexandrou, Nicholas E., Mertzanos, George E., Stephanidou-Stephanatou, Julia, Tsoleridis, Constantinos A., Zachariou, Philippos

“…The quinoxafino-2,3-quinodimethane was generated in situ from 2,3-bis(bromomethyl)-quinoxaline and was trapped with dienophiles to give 1:1 adducts. The…”
Get full text

Generation and Diles-Alder Reactions of N1-Substituted Pyrazole-4,5-quinodimethanes by E. Alexandrou, Nicholas, E. Mertzanos, George, A. Tsolerides, Constantions, Mitkidou, Sophia, Stephanidou-Stephanatou, Julia

Get full text

Generation and Diels-Alder reactions of N1-substituted pyrazole-4,5-quinodimethanes by MERTZANOS, G. E, ALEXANDROU, N. E, TSOLERIDIS, C. A, MITKIDOU, S, STEPHANIDOU-STEPHANATOU, J

Get full text

1,3-Dipolar cycloadditions of nitrile oxides with 4-carbethoxymethyleno-4,5,6,7-tetrahydro-6,6-dimethylbenzo[c][1,2,5]oxadiazole by Koumbis, Alexandros E., Stephanidou-Stephanatou, Julia, Alexandrou, Nicholas E.

“…The (E)‐ and (Z)‐α,β‐unsaturated esters, 3 and 4 are prepared by applying a Wittig reaction on the ketone 1. Stable nitrile oxides are added to the stable…”
Get full text

1,3-Dipolar cycloadditions of mesitonitrile oxide with (9-fluorenylidene)-aceto- and malono-nitriles. Synthesis of mono- and bis-1,2,4-oxadiazolylmethane derivatives by Lianis, Pygmalion S., Rodios, Nestor A., Alexandrou, Nicholas E.

“…Mesitonitrile oxide reacts with C ≡ N bond of (aryl)(9‐fluorenylidene)acetonitriles 1 forming in very good yields the corresponding 1,2,4‐oxadiazoles 2…”
Get full text

Structure and spectroscopic characterization of 1- and 2-hydrazonoyl-1,2,3-triazoles by Bojilova, Anka, Rodios, Nestor A., Alexandrou, Nicholas E., Terzis, A., Mentzafos, D.

“…The synthesis of some 1‐ and 2‐hydroazonoyl‐1,2,3‐triazoles by reaction of the corresponding 1,2,3‐triazoles and nitrilimines is described and their…”
Get full text

Beckmann rearrangement of (Z)- and (E)-oximes of 2-aryl-4,5,6,7-tetrahydro-6,6-dimethyl-2H-benzo[d][1,2,3]-triazol-4-ones and 4,5,6,7-tetrahydro-6,6-dimethylbenzo-[c][1,2,5]oxadiazol-4-ones by MITKIDOU, S, STEPHANIDOU-STEPHANATOU, J, TSOLERIDIS, C. A, ALEXANDROU, N. E

“…The synthesis and geometry of ( Z )- and ( E )-oximes, II and III , derivatives of tetrahydro-2 H -benzo[ d ][1,2,3]triazoles and tetrahydrobenzo[ c…”
Get full text

Sythesis and mass spectra of aroylbenzamidoximes by Varella, Evangelia A., Micromastoras, Evangelos D., Alexandrou, Nicholas E., Exner, Otto

“…The synthesis of several O-aroylbenzamidoximes I and of some N-aroyl( II ) as well as of bis(aroyl)benzamidoximes ( III ) is described and their fragmentation…”
Get full text

A mass spectral study of O-aroylbenzohydroximoyl chlorides by VARELLA, E. A, ALEXANDROU, N. E, EXNER, O

“…Fifteen O-aroylbenzohydroximoyl chlorides IIa-IIo have been synthesized and their fragmentation pattern upon electron impact studied. Evidence has been…”
Get full text