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Title: Planar geometry of 4-substituted-2,2'-bipyridines synthesized by Sonogashira and Suzuki cross-coupling reactions

Two 4-substituted 2,2'-bipyridines, namely 4-(ferrocenylethynyl)-2,2'-bipyridine (I) and 4-ferrocenyl-2,2'-bipyridine (II) have been synthesized and fully characterized via single-crystal X-ray diffraction and {sup 1}H and {sup 13}C NMR analyses. The π-conjugated system designed from 2,2'-bipyridine modified with the ferrocenylethynyl and ferrocenyl groups shows the desired planarity. In the crystal packing of I and II, the molecules arrange themselves in head-to-tail and head-to-head motifs, respectively, resulting in consecutive layers of ferrocene and pyridine moieties.
Authors:
; ;  [1] ;  [2]
  1. Hanoi National University of Education, Chemistry Department (Viet Nam)
  2. KU Leuven, Chemistry Department (Belgium)
Publication Date:
OSTI Identifier:
22472046
Resource Type:
Journal Article
Resource Relation:
Journal Name: Crystallography Reports; Journal Volume: 60; Journal Issue: 7; Other Information: Copyright (c) 2015 Pleiades Publishing, Inc.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION SPECTROSCOPY; BIPYRIDINES; CARBON 13; COUPLING; FERROCENE; HYDROGEN 1; MOLECULES; MONOCRYSTALS; NMR SPECTRA; NUCLEAR MAGNETIC RESONANCE; PYRIDINE; STOWING; X-RAY DIFFRACTION