Citation: Bahareh Tamaddoni Jahromi, Ali Nemati Kharat, Sara Zamanian. Chiral electron deficient ruthenium helical coordination polymer as a catalyst for the epoxidation of substituted styrenes[J]. Chinese Chemical Letters, ;2015, 26(1): 137-140. doi: 10.1016/j.cclet.2014.10.013 shu

Chiral electron deficient ruthenium helical coordination polymer as a catalyst for the epoxidation of substituted styrenes

1.
School of Chemistry, University College of Science, University of Tehran, Tehran 13145-1357, Iran

Corresponding author: Ali Nemati Kharat,
Received Date: 23 June 2014
Available Online: 9 October 2014

An air and moisture stable ruthenium(Ⅲ) formate complex [Ru(HCO₂)Cl₂]_n has been synthesized and examined in the epoxidation of substituted styrenes. X-ray crystallographic data of this complex were determined and showed that the formate ligand coordinates to the ruthenium centers in μ²-η² fashion (syn, syn). Its asymmetric unit contains one Ru(Ⅲ) ion together with the half of a formate ligand and one chloride anion, which are bridged between the metal centers, forming a 1-D chain coordination polymer. This electron deficient helical coordination polymer was employed in the epoxidation of parafluorostyrene, affording the epoxide product in 92% yield. Natural chirality of this coordination polymer is applicable in asymmetric epoxidation reactions.
- Electron deficient,
- Helical coordination polymer,
- Chiral ruthenium complex,
- Epoxidation catalyst
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