Novel triosmium cluster complexes with rod-like molecular geometry. Syntheses and crystal structures of

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Abstract

The reaction of [Os3(μ-H)3(CO)9(μ3-CCl)] with 1 equivalent of 1,8-diazabicyclo[5.4.0]undec-7-ene in the presence of a 10-fold excess of NC5H4(CH=NC6H4OC16H33-p)-4 in CH2Cl2at room temperature gave [Os3(μ-H)2(CO)9(μ3-CNC5H4CH=NC6H4OC16H33)] 1 in 40% yield. The electronic absorption spectra of 1 in a series of organic solvents show significant negative solvatochromic shifts. Treatment of the activated cluster [Os3(CO)10(NCMe)2] with the same Schiff base in CH2Cl2readily afforded the ortho-metallated cluster complex [Os3(μ-H)(CO)10(μ-NC5H3CH=NC6H4OC16H33)] 2 in 72% yield. Crystal structure analyses of 1 and 2 revealed that they both exhibit an interesting rod-like molecular geometry.
Original languageEnglish
Pages (from-to)2293-2297
Number of pages5
JournalJournal of the Chemical Society - Dalton Transactions
Issue number11
DOIs
Publication statusPublished - 7 Jun 1996
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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