Reaction of lanthanide(II) and lanthanide(III) phenylethynyl cuprates with acetyl chloride |
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| Authors: | S F Zhil’tsov M A Dydykina O N Druzhkova |
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| Institution: | 1.Nizhnii Novgorod State Pedagogical University,Nizhnii Novgorod,Russia |
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| Abstract: | Praseodymium and ytterbium phenylethynyl cuprates (PhC≡C)3Cu]3Pr2(THF)6 and {(PhC≡C)3Cu]·Yb(THF)2}2 react with acetyl chloride in tetrahydrofuran with elimination of phenylethynylcopper and formation of alkoxides PhC≡C-CCl(CH3)O]
n
Ln (n = 3, Ln = Pr; n = 2, Ln = Yb). Then praseodymium alkoxide forms ester methyl (phenylethynyl)chloromethylethanoate] and praseodymium chloride,
alkoxy derivative. Itterbium alkoxide is oxidized to unsymmetrical dialkoxyitterbium chloride PhC≡C-CH(CH3)-O-Yb(Cl)-O-CCl(CH3)C≡CPh·2THF. |
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