Lanthanocene (Ln = PrIII, YbIII) chlorid
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Jens Gräper; R.Dieter Fischer; Gino Paolucci
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Article
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1994
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Elsevier Science
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English
⚖ 875 KB
Two new lanthanocenophanes [{O(Me,SiCSH4)2}Pr'11C1. THF], (2; x = 1 or 2) and [(O(Me,SiC,H,)z)Yb'l'CI], (3), were made from LnCI, (Ln = Pr or Yb) and K, [OfMe,SiCsHJ,] in THF. The 'H NMR spectra of THF-d, solutions of paramagnetic 2 (at + 35 to -25°C) and 3 fat < 10°C) reflect an asymmetrical dispo