Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Jens Eckelmann"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 11-17 (2012)
A bi-macrocycle with an incorporated isophthalamide substructure was synthesized by double amide formation between an isophthaloyl dichloride and two equivalents of a bis(alkenyloxy)aniline, followed by ring-closing metathesis and hydrogenation. In c
Externí odkaz:
https://doaj.org/article/9e354af8b5e34c6296c863cb0c5eb163
Autor:
Ulrich Lüning, Jens Eckelmann
Publikováno v:
Journal of Chemical Education. 90:224-227
Two demonstrations are presented that show the immiscibility of five or six layers of liquids. The setup of both demonstrations is such that one homogeneous layer in a multiphasic mixture separates into two new layers upon shaking. The solvents used
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 11-17 (2012)
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 11-17 (2012)
A bi-macrocycle with an incorporated isophthalamide substructure was synthesized by double amide formation between an isophthaloyl dichloride and two equivalents of a bis(alkenyloxy)aniline, followed by ring-closing metathesis and hydrogenation. In c
Autor:
Christiane Dethlefs, Stefan Brammer, Christian Näther, Thomas Weyrich, Jens Eckelmann, Hauke Kobarg, Ulrich Lüning
Publikováno v:
European Journal of Organic Chemistry. 2011:2066-2074
The host-guest complex formation between barbital and various acylaminopyridyl isophthalamides (Hamilton receptors) has been determined quantitatively. The syntheses of nine isophthalamides are described. Their structures differ in the substitution p
Autor:
Ulrich Lüning, Jens Eckelmann
Publikováno v:
Chemie in unserer Zeit. 43:210-212
Ausgehend von Perfluorheptan, gesattigter wassriger Kaliumcarbonatlosung, Methanol, Toluol und geeigneten Farbstoffen wird eine zunachst dreiphasige Mischung hergestellt, die sich nach Schutteln – nicht nur Ruhren – in vier Phasen trennt. Zugabe
Autor:
Ahmet Doğan, Ulrich Lüning, Stefan Brammer, Christiane Dethlefs, Jens Eckelmann, Andreas Uphoff
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 18(27)
A second-generation supramolecular dendrimer has been prepared by orthogonal multiple hydrogen bonding. In the first (inner) recognition domain, the interaction of one bis-isocyanuric acid (25) with two branching units (21) that carry complementary H
Publikováno v:
New Journal of Chemistry. 34:1247
A neutral tritopic macrocycle 1 was obtained by condensation of a diacid dichloride 2 with a diamine 3. 1 contains three binding sites: two for anions by hydrogen bonding and one for cations by ether oxygen atoms. The selective binding of LiCl and Ca