Facile one-step synthesis of a thia-bridged bis-1,10-phenanthroline macrocycle

NNB-Type Tridentate Boryl Ligands Enabling a Highly Active Iridium Catalyst for C–H Borylation

“…Arylboron compounds are very useful building blocks in organic chemistry [17,18,19,20,21,22]; the most commonly used method to form the C–B bond is iridium-catalyzed C–H borylation [23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38]. The well-known catalyst system for this transformation is the combination of an iridium catalyst and a 2,2’-bipyridine-type ligand, such as 4,4′-di-tert-butyl bipyridine (dtbpy), 1,10-phenanthroline (1,10-phen), or 3,4,7,8-tetramethyl-1,10-phenanthroline (tmphen) [39,40,41,42]. Previous studies demonstrated that Compound A shown in Scheme 2 was the key intermediate in the iridium-catalyzed C–H borylation reaction.…”

Structural and spectroscopic characterization and DFT studies of 2-amino-1,10-phenanthrolin-1-ium chloride

“…We have an ongoing interest in the synthesis of azabridged bis-1,10-phenanthroline derivatives [10][11][12], mainly due to their significant biological activity of the corresponding metal complexes in which the planar and also rigid structure of 1,10-phenanthroline (phen) can either intercalate or bind to the grooves of DNA or RNA [13][14][15][16][17][18][19][20]. Therefore, the design and synthesis of new derivatives of phen with extended properties have gained a significant attention by many researchers [21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36].…”

Solvent-free synthesis of 5-(aryl/alkyl)amino-1,2,4-triazines and α-arylamino-2,2′-bipyridines with greener prospects

“…In the case of 1,10-phenanthrolines the direct ipso-substitution of chlorine atoms in the a-position under the reaction of aniline has been described. 32 By means of step-wise approach a number of 2,2 0 -bipyridines having the residues of carboranes, 33 acetylenes, 34 polynuclear aromatics, 35 cyano-group 36 etc. have been obtained.…”