Reaktion an Ziegler‐Natta‐Katalysatoren, 14. Anwendung der Olefin‐Metathese zum Nachweis einer Grignard‐Wurtz‐reaktion an hydrobromiertem 1,4‐Polybutadien
1977; Wiley; Volume: 178; Issue: 6 Linguagem: Inglês
10.1002/macp.1977.021780610
ISSN0025-116X
AutoresWolfgang Kathan, Othmar A. Wedam, Klaus Hummel,
Tópico(s)biodegradable polymer synthesis and properties
ResumoAbstract 1,4‐Polybutadiene was partially hydrobrominated in the presence of AlBr 3 . A Grignard‐Wurtz‐reaction with phenylmagnesium bromide resulted in an exchange of the bromine atoms for phenyl groups. The polymers were degraded in an olefin metathesis reaction with 4‐octene using a WCl 6 /Sn(CH 3 ) 4 catalyst. The low molecular degradation products with bromine or phenyl substituents, resp., were separated by gas chromatography and identified by mass spectrometry.
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