
Publications of Claus Krieger
All genres
Journal Article (95)
1.
Journal Article
2000 (8), pp. 1617 - 1622 (2000)
New proton sponges, 14. - Isomeric tetrakis(dimethylamino)naphthalenes: syntheses, structure-dependence of basicities, crystal structures, and physical properties. European Journal of Organic Chemistry 2.
Journal Article
2000 (2), pp. 327 - 333 (2000)
New proton sponges, 13. - syntheses, structures and basicities of 1,2,4,5-tetrakis(dimethylamino)benzene and 2,3,6,7-tetrakis(dimethylamino)naphthalene. European Journal of Organic Chemistry 3.
Journal Article
6, pp. 1459 - 1470 (1999)
Pyromellitic diimide-porphyrin cyclophanes: Syntheses, transannular interactions and structure analysis. European Journal of Organic Chemistry 4.
Journal Article
54 (8), pp. 1125 - 1127 (1998)
9,10-dihydro-1,4-dimethoxy-5,8-dimethyl-cis-9,10-diphenyl-9,10-anthracenediol, a crowned planar 9,10-dihydroanthracene. Acta Crystallographica, Section C: Crystal Structure Communications 5.
Journal Article
120 (22), pp. 5526 - 5538 (1998)
Bond shift rearrangement of chloro, bromo and iodobullvalene in the solid state and in solution. A carbon-13 and proton NMR study. Journal of the American Chemical Society 6.
Journal Article
1997 (11), pp. 2321 - 2336 (1997)
Photoinduced Electron-Transfer in Porphyrin-quinone Cyclophanes, 15. Distance Dependence of Photoinduced Electron-Transfer: Syntheses and Structures of Naphthalene-Spacered Porphyrin-Quinone Cyclophanes. Liebigs Annalen der Chemie 7.
Journal Article
36 (17), pp. 1884 - 1886 (1997)
1,8-Bis(dimethylamino)4,5-dihydroxynaphthalene, a natural, intramolecularly protonated “proton sponge” with zwitterionic structure. Angewandte Chemie International Edition 8.
Journal Article
109 (17), Z 10277, pp. 1946 - 1949 (1997)
1,8-Bis(dimethylamino)-4,5-dihydroxynaphthalin — ein neutraler, intramolekular protonierter „Protonenschwamm” mit zwitterionischer Struktur. Angewandte Chemie 9.
Journal Article
1997 (7), pp. 1551 - 1556 (1997)
New electron donor-acceptor compounds, 51. [3](N,N′)-1,8;4,5-naphthalenetetracarboxdiimido-[3](2,7)pyrenophane and its [4,4]cyclophane homologue. Liebigs Annalen der Chemie 10.
Journal Article
1997 (3), pp. 473 - 483 (1997)
Phenazin-5(10H)-yls, 5l. Intermolecular π-π interactions (pimerization) of tert-butyl-substituted phenazin-5(10H)-yl radicals in the solid state: syntheses, crystal structures and magnetic susceptibility measurements. Liebigs Annalen der Chemie 11.
Journal Article
101 (46), pp. 9517 - 9524 (1997)
Magnetic properties and crystal structures of 1,5-diphenylverdazyls with electron acceptor groups in the 3-position. The Journal of Physical Chemistry B 12.
Journal Article
52 (12), pp. 3124 - 3126 (1996)
Columnar stacking of 1,3-diphenyl-1,2,4-benzotriazin-4(1H)-yl radicals. Acta Crystallographica, Section C: Crystal Structure Communications 13.
Journal Article
100 (46), pp. 18269 - 18274 (1996)
Ultrafast charge separation and driving force dependence in cyclophane-bridged Zn-porphyrin-quinone molecules. The Journal of Physical Chemistry A 14.
Journal Article
1996 (11), pp. 1867 - 1870 (1996)
Phenazin-5(10H)-yls, 4. 10-ethylphenazin-5(10H)-yl · H2O: Crystal structure, magnetic susceptibility and intermolecular - interactions (pimerization). Liebigs Annalen der Chemie 15.
Journal Article
118 (34), pp. 8006 - 8014 (1996)
Reaction pathways in solid-state processes. 1. Carbon-13 NMR and X-ray crystallography of fluorobullvalence. Journal of the American Chemical Society 16.
Journal Article
118, pp. 5020 - 5030 (1996)
Electrochemical oxidation and structural changes of 5,6-dihydrobenzo[c]cinnolines. Journal of the American Chemical Society 17.
Journal Article
118 (34), pp. 8015 - 8023 (1996)
Reaction pathways in solid-state processes. 2. Carbon-13 NMR and X-ray crystallography of cyanobullvalene and bullvalenecarboxylic acid. Journal of the American Chemical Society 18.
Journal Article
1995 (10), pp. 1827 - 1836 (1995)
π…π interactions of flavins, 5. Syntheses, structures and physical properties of flavin systems with covalent bonding to π donors and π acceptors (quinones). Liebigs Annalen 19.
Journal Article
36 (17), pp. 2967 - 2970 (1995)
Synthesis, structure and 'proton sponge' properties of 1,12-bis(dimethylamino)benzo[c]phenanthrene. Tetrahedron Letters 20.
Journal Article
51, pp. 1420 - 1423 (1995)
Pair stacking of 10-(4-nitrophenyl)-5(10H)-phenazinyl radicals. Acta Crystallographica, Section C: Crystal Structure Communications