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Reaction of [NiCp(PPh3)Cl] with E(SiMe3)2; the Structures of [Ni4Se2Cp4] and [Ni4E2Cp4(PPh3)2] (E = Se, Te)

✍ Scribed by Prof. Dr. Dieter Fenske; Dipl.-Chem. Achim Hollnagel; Dr. Kurt Merzweiler

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 255 KB
Volume: 27
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.198809651

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✦ Synopsis

The remaining signals fall in the range of the solvent signals; a silaalkene that can be used for comparison is 9 , in which the C-2 signal lies at 6 = l l 8 . l [ I l l .

Me

,Si O, , 2,Si Me3 / \ Si=C 9 Me Adarnan tyl 1141 After further irradiation at -110°C to -120°C the signals of the educt have completely disappeared; the intensity of the signals of 1 is greater. 1151 Ten new signals appear at 6=126-163, which likewise disappear after 16 h at 0°C in favor of broader unspecific signals. A further signal appearing at 6= 150.5 upon low-temperature irradiation is still observable even at O T , from which the photochemical formation of a stable product can be concluded.

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