Zn(salpyr) catalysts for the formation of organic carbonates are HOT

In this hot paper, published in Catalysis Science &Technology, Kleij et al. describe how Alkylated Zn(salpyr) complexes (salpyr = N,N?-bis[salicylidene]-3,4-pyridinediamine) were prepared and used as catalyst precursors for the formation of cyclic carbonates from a range of (functional) epoxides and CO₂. Reaction conditions were optimized to achieve good isolated yields of the targeted products. The molecular structure of the most active bifunctional Zn(salpyr) derivative was also resolved by X-ray diffraction.

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Easily accessible bifunctional Zn(salpyr) catalysts for the formation of organic carbonates
C. Martín, C. J. Whiteoak, E. Martin, M. Martínez Belmonte, E. C. Escudero-Adán and A. W. Kleij
Catal. Sci. Technol., 2014, Advance Article
DOI: 10.1039/C3CY01043K