1208125-35-2Relevant academic research and scientific papers
Template synthesis, structure and spectra of the semiclathrochelate and clathrochelate 1,4-pentadienylboron-capped iron(II) oximehydrazonates
Voloshin, Yan Z.,Makarenko, Irina G.,Erdyakov, Sergey Y.,Svidlov, Semen V.,Vologzhanina, Anna V.,Lebed, Ekaterina G.,Ignatenko, Anatolii V.,Gurskii, Mikhail E.,Bubnov, Yurii N.
, p. 395 - 403 (2010/05/01)
The direct template condensation of diacetylmonooxime hydrazone with the 1,4-pentadienylboronates as Lewis acids on an iron(II) ion matrix led to the 1,4-pentadienylboron-capped semiclathrochelate iron(II) oximehydrazonates. The H+-ion-catalyzed macrocyclization of these precursors with an excess of triethyl orthoformate resulted in macrobicyclic complexes with a single apical 1,4-pentadienyl substituent. The complexes obtained were characterized using elemental analysis, MALDI-TOF mass spectrometry, IR, UV-Vis, 1H, 11B{1H} and 13C{1H} NMR, 57Fe M?ssbauer spectroscopies, and X-ray crystallography. The X-ray diffraction and NMR data for complexes obtained showed the syn,syn,syn-orientation of all ethoxy substituents in 1,3,5-triazacyclohexane capping fragment in relation to a clathrochelate framework.
