Cross-metathesis of alkenes with vinyl-substituted silsesquioxanes and spherosilicates: a new method for synthesizing highly-functionalized Si/O frameworks
Abstract
Highly functionalized silsesquioxanes and spherosilicates of the
formulae [(RCH![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
CH)
8
Si
8
O
12
] and
[(RCHCHSiMe
2
-O)
8
Si
8
O
12
] can be prepared by cross-metathesisreactions of alkenes with
readily available vinyl-substituted silsesquioxane and spherosilicate
frameworks, [(vinyl)
8
Si
8
O
12
] 1 and
[(vinylSiMe
2
O)
8
Si
8
O
12
] 2; the
methodology is quite general and is not complicated by self-metathesis
reactions of 1 or 2.
CH)
8
Si
8
O
12
] and
[(RCHCHSiMe
2
-O)
8
Si
8
O
12
] can be prepared by cross-metathesisreactions of alkenes with
readily available vinyl-substituted silsesquioxane and spherosilicate
frameworks, [(vinyl)
8
Si
8
O
12
] 1 and
[(vinylSiMe
2
O)
8
Si
8
O
12
] 2; the
methodology is quite general and is not complicated by self-metathesis
reactions of 1 or 2.
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