THERMISCHE STABILITAET VON BIS(ALK-2-ENYL)ZINK-VERBINDUNGEN
The dialk-2-enylzinc compounds I-III react slowly at 20 to 50 deg C by addition of the Zn-C bond to the C=C bond of an alk-2-enyl group to give oligomers from which the alkenes XIII-XV are released on hydrolysis.For I-III homolytic cleavage of the Zn-Callyl bond, followed by coupling of the allyl radicals to give the alkadienes V-VII, IX and XI predominates above 50 deg C.IV decomposes mainly homolytically even at 20 deg C.
Lehmkuhl, Herbert,Doering, Ingo,Nehl, Hans
p. 7 - 12
(2007/10/02)
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