Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Francois Nico Diederich"'
1
Electronic properties of kekulene
Autor: Karl H. Hausser, Heinz A. Staab, Helmut Vogler, Dieter Schweitzer, Francois Nico Diederich
Publikováno v: Molecular Physics
The fluorescence and phosphorescence of kekulene in a host matrix of polycrystalline tetrachlorobenzene are investigated, together with the triplet zero field splitting parameters |D| and |E| obtained by ODMR in zero field. The D value is also calcul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c02a8d2373b1a3ca5b270b575ad98234
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2
Molecular structure and spectroscopic properties of Kekulene
Autor: Francois Nico Diederich, Claus Krieger, Dieter Schweitzer, Heinz A. Staab
Publikováno v: Angewandte Chemie International Edition in English
Considerable bond localization has been detected in kekulene (1) by X‐ray structure analysis: only every second ring is “aromatic”. This initially surprising result is in accord with various spectroscopic properties of (1).
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f733883eafa579d3f047da96ced336fe
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4
Proton NMR investigations of host-guest complexation between a macrocyclic host of the cyclophane type and aromatic guests in aqueous solution
Autor: Francois Nico Diederich, Dieter Griebel
Publikováno v: Journal of the American Chemical Society
Etude de ces spectres en solution dans D 2 O au-dessous de la concentration critique micellaire du cyclophane. Influence des substituants polaires neutres du compose aromatique sur la structure des complexes. Formation des complexes les plus fortemen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98ab58c77e8ed7ca53445aebb5071b98
https://doi.org/10.1021/ja00338a006
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8
A water‐soluble tetraoxa[7.1.7.1]paracyclophane: synthesis and host‐guest interactions with alicyclic and cationic aromatic guest molecules in aqueous solution
Autor: Klaus Dick, Francois Nico Diederich
Publikováno v: Chemische Berichte
As water-soluble macrocyclic host for apolar guest molecules, the tetraoxa[7.1.7.1]paracyclophane 1 was synthesized. In the key reaction of the synthesis, two equivalents of 1-acetyl-4,4-bis(4-hydroxy-3,5-dimethylphenyl)piperidine (4) and two equival
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8f0c6ff4db8b21773fd5fa441111f18
https://hdl.handle.net/21.11116/0000-0005-652C-921.11116/0000-0005-652A-B
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9
ChemInform Abstract: CYCLOARENES, A NEW CLASS OF AROMATIC COMPOUNDS. III. STUDIES TOWARDS THE SYNTHESIS OF CYCLO(D.E.D.E.E.D.E.D.E.E)DECAKISBENZENE
Autor: Heinz A. Staab, Vesna Čaplar, Francois Nico Diederich
Publikováno v: Chemischer Informationsdienst. 15
Attempts to synthesize the cycloarene 2 starting from benzo[c]phenanthrene building blocks are reported: From 3, the preparation of which along different routes is dealt with, bis(bromomethyl) and bis(mercaptomethyl) derivatives 4 and 5, respectively
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::909693ad0cf6c1d78404757106167aaf
https://doi.org/10.1002/chin.198410125
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10
A new water-soluble macrocyclic host of the cyclophane type: host-guest complexation with aromatic guests in aqueous solution and acceleration of the transport of arenes through an aqueous phase
Autor: Francois Nico Diederich, Klaus Dick
Publikováno v: Journal of the American Chemical Society
L'hote etudie est un tetraoxa-1,7,21,27 [7.1.7.1] paracyclophane contenant 4 cycles spiro piperidiniums: geometrie, agregation en solution aqueuse, formation de complexes avec des arenes et constantes d'association, acceleration du transport des aren
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0291c8546f13bfc752579372950a505c
https://hdl.handle.net/21.11116/0000-0005-A2CF-B21.11116/0000-0005-A2D1-7
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