Cationic rare-earth metal bis(tetrahydridoborato) complexes: direct synthesis, structure and ring-opening polymerisation activity toward cyclic esters.

نویسندگان

  • Dominique Robert
  • Małgorzata Kondracka
  • Jun Okuda
چکیده

Rare-earth metal tris(borohydrides) [Ln(BH4)3(thf)3] (Ln = Y, La, Nd, Sm) are converted with one equivalent of the Brønsted acid [NEt3H]+[BPh4]- in thf into the monocationic bis(borohydride) complexes [Ln(BH4)2(thf)5]+[BPh4]-. They efficiently initiate the ring-opening polymerisation of epsilon-caprolactone.

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عنوان ژورنال:
  • Dalton transactions

دوره 20  شماره 

صفحات  -

تاریخ انتشار 2008