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Towards True Carbaporphyrinoids: Synthesis of 21-Carba-23-thiaporphyrin


  • Financial support from the National Science Centre (grant 2012/04/A/ST5/00593) is kindly acknowledged. DFT calculations were carried out at the Supercomputer Centers of Poznań and Wrocław.


In the search for porphyrinoids with a built-in cyclopentadienyl moiety (true carbaporphyrins), a rational synthesis of carbathiaporphyrin, the synthons, has been elaborated. The donors (C,N,S,N) in the porphyrinic core of carbathiaporphyrinoids are potentially of fundamental importance for generating organometallic complexes, as exemplified through formation of the palladium(II) complex.

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