Difunctional polyhedral oligomeric silsesquioxane derivative and synthesis thereof
AssigneeNational Sun Yat-Sen University
InventorsYung-Chih Lin, Shiao-Wei Kuo
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Abstract
A difunctional polyhedral oligomeric silsesquioxane derivative and synthesis of the present invention is disclosed. The difunctional polyhedral oligomeric silsesquioxane derivative is represented by following formula (I), wherein R is selected from one of The synthesis of the difunctional polyhedral oligomeric silsesquioxane derivative includes obtaining bis-PA-DDSQ compound though addition reaction of DDSQ compound and 4-acetoxystyrene, obtaining bis-Ph-DDSQ compound though hydrolytic reaction of bis-PA-DDSQ compound and hydrazine, and obtaining bis-AlBz-DDSQ compound though cycloaddition reaction of bis-Ph-DDSQ compound and paraformaldehyde.
Claims12
A difunctional polyhedral oligomeric silsesquioxane derivative represented by following formula (I):
- wherein R is selected from one of
A synthesis of difunctional polyhedral oligomeric silsesquioxane derivative includes:
- DDSQ compound represented by following formula (a), 4-acetoxystyrene and a first solvent are mixed to form a first mixture, and the first mixture is catalyzed by a catalyst to obtain bis-PA-DDSQ compound represented by following formula (b) though addition reaction, wherein the reaction mole ratio of DDSQ compound to 4-acetoxystyrene is 1:2-10, the first solvent is toluene, and the catalyst is platinum (Pt),
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A synthesis of difunctional polyhedral oligomeric silsesquioxane derivative includes:
- bis-PA-DDSQ compound represented by following formula (b), hydrazine and a second solvent are mixed to form a second mixture, and bis-Ph-DDSQ compound represented by following formula (c) is obtained though hydrolytic reaction of the second mixture, wherein the reaction mole ratio of bis-PA-DDSQ compound to hydrazine is 1:2-20, and the second solvent is selected from 1,4-dioxane or tetrahydrofuran (THF),
A synthesis of difunctional polyhedral oligomeric silsesquioxane derivative includes:
- bis-Ph-DDSQ compound represented by following formula (c), paraformaldehyde, allylamine and a third solvent are mixed to form a third mixture, and bis-AlBz-DDSQ compound represented by following formula (d) is obtained though cycloaddition reaction of the third mixture, wherein the reaction mole ratio of bis-Ph-DDSQ compound to paraformaldehyde and allylamine is 1:2-8:2-12, and the third solvent is selected from p-xylene, benzene, toluene, dichloromethane, chloroform or ethyl acetate,
Dependencies are inferred from the claim text.