Publications by authors named "Md Arshad H Chowdhury"
Article Synopsis
- The study investigates how ligands substitute in a specific benzothiazolate-bridged cluster involving osmium and carbon monoxide.
- The reaction of the main cluster with PPh and MeNO leads to the formation of two clusters with different phosphine substitutions, one existing as distinct isomers.
- Detailed structural analyses and computational methods reveal thermodynamic preferences and fluxional behavior of the resulting clusters, highlighting the dynamics of ligand positions in the osmium complex.
The reactivity of the face-capped benzothiazolate clusters HOs(CO)[μ-CH(R)NS] (1a, R = H; 1b, R = 2-CH) with alkynes has been investigated. 1a reacts with DEAD at 67 °C to furnish the isomeric alkenyl clusters Os(CO)(μ-CHNS)(μ-EtOCCCHCOEt) (2a and 3a). X-ray crystallographic analyses of 2a and 3a have confirmed the stereoisomeric relationship of these products and the regiospecific polyhedral expansion that follows the formal transfer of the hydride to the coordinated alkyne ligand in HOs(CO)(μ-CHNS)(η-DEAD).
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