124318-69-0Relevant articles and documents
Towards allosteric receptors synthesis of β-cyclodextrin- functionalised 2,2'-bipyridines and their metal complexes
Kremer, Christopher,Schnakenburg, Gregor,Lutzen, Arne
, p. 814 - 824 (2014)
Herein, we present three new 2,2'-bipyridines that carry two β-cyclodextrin moieties in different substitution patterns. When coordinated by zinc(II) or copper(I) ions (or their complexes), these compounds undergo conformational changes and switch between
A facile route to Aryl-substituted 1,10-phenanthrolines by means of Suzuki coupling reactions between substituted areneboronic acids and halogeno-1,10-phenanthrolines
Luening, Ulrich,Abbass, Michael,Fahrenkrug, Frank
, p. 3294 - 3303 (2007/10/03)
Twelve new mono- or diaryl-substituted 1,10-phenanthrolines (17 and 18) have been synthesized. The key step is a Suzuki coupling reaction between the substituted areneboronic acids 6, 11, and 15 and the mono- and dihalo-1,10-phenanthrolines 16. The syntheses of bis-ortho-substituted boronic acids 6, 11, and 15 from substituted arenes 5 or substituted bromoarenes 10 and 14 by lithiation and subsequent treatment with trimethyl borate is described. Not only 2,9-diiodo- (16c) but also 2,9-dichloro-1,10-phenanthroline (16b) can be used with good yields (65-92%) in the described Suzuki coupling. For the syntheses of unsymmetrically substituted 1,10-phenanthrolines 18b, 18i, and 18j, the use of 2- chloro-9-iodo-1,10-phenanthroline is not necessary; two different bis-ortho-substituted arene rings can be introduced stepwise in 46 to 64% total yield. ( Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).