T. Gunji, T. Gomi, T. Sanji
Nov 5, 2001
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Journal
Chemistry Letters
Abstract
Disilane unit containing polytitana- and polyzirconasiloxanes were synthesized by the reaction of 1,1,2,2-tetramethyl-1,2-disilanediol with bis(2,4-pentanedionato)titanium diisopropoxide or bis(2,4-pentanedionato)zirconium diisopropoxide. These polymers consisted of disilane unit and metalloxane bonding as main chain with pendants of methyl and 2,4-pentanedionato groups and terminals of isopropoxy and silanol groups. On the other hand, a cyclotitanasiloxane was prepared by the reaction of 1,1,2,2-tetramethyl-1,2-disilanediol with titanocene dichloride in the presence of triethylamine.