Preparation of Polyhedral Oligomeric Silsesquioxanes Containing Carboxyl Side-Chain Groups and Isolation of a Cage-Like Octamer Using Clay Mineral
The hydrolytic condensation of 3-(triethoxysilyl)propyl succinic anhydride (TESPSA) in water using bulky base or acid catalysts such as tetra-n-butylammonium hydroxide (n-Bu4NOH) or trifluoromethanesulfonic acid, respectively, afforded mixtures containing polyhedral oligomeric silsesquioxanes (POSSs...
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| Veröffentlicht in: | Bulletin of the Chemical Society of Japan 2018-07, Vol.91 (7), p.1120-1127 |
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| container_title | Bulletin of the Chemical Society of Japan |
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| creator | Liu, Jiahao Kaneko, Yoshiro |
| description | The hydrolytic condensation of 3-(triethoxysilyl)propyl succinic anhydride (TESPSA) in water using bulky base or acid catalysts such as tetra-n-butylammonium hydroxide (n-Bu4NOH) or trifluoromethanesulfonic acid, respectively, afforded mixtures containing polyhedral oligomeric silsesquioxanes (POSSs) as main products. The mixture obtained under basic conditions contained cage-like octamer (T8-POSS) and that from acidic conditions contained cage-like decamer (T10-POSS) and dodecamer (T12-POSS). On the other hand, polysilsesquioxanes with number average molecular weights of 1.25 × 104 or 1.43 × 104 were obtained when the hydrolytic condensation of TESPSA was performed in the presence of non-bulky base (sodium hydroxide) or acid (hydrochloric acid) catalysts, respectively, in water as a solvent. In addition, only T8-POSS could be isolated from the silsesquioxane mixture obtained via the hydrolytic condensation of TESPSA using n-Bu4NOH by sequential treatment with a clay mineral such as montmorillonite in water and acetone. |
| doi_str_mv | 10.1246/bcsj.20180092 |
| format | Article |
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The mixture obtained under basic conditions contained cage-like octamer (T8-POSS) and that from acidic conditions contained cage-like decamer (T10-POSS) and dodecamer (T12-POSS). On the other hand, polysilsesquioxanes with number average molecular weights of 1.25 × 104 or 1.43 × 104 were obtained when the hydrolytic condensation of TESPSA was performed in the presence of non-bulky base (sodium hydroxide) or acid (hydrochloric acid) catalysts, respectively, in water as a solvent. In addition, only T8-POSS could be isolated from the silsesquioxane mixture obtained via the hydrolytic condensation of TESPSA using n-Bu4NOH by sequential treatment with a clay mineral such as montmorillonite in water and acetone.</description><identifier>ISSN: 0009-2673</identifier><identifier>EISSN: 1348-0634</identifier><identifier>DOI: 10.1246/bcsj.20180092</identifier><language>eng</language><publisher>Tokyo: The Chemical Society of Japan</publisher><subject>Acetone ; Anhydrides ; Cages ; Catalysis ; Catalysts ; Clay minerals ; Condensates ; Hydrochloric acid ; Montmorillonite ; Polyhedral oligomeric silsesquioxane ; Polysilsesquioxanes ; Sodium hydroxide ; Triflic acid</subject><ispartof>Bulletin of the Chemical Society of Japan, 2018-07, Vol.91 (7), p.1120-1127</ispartof><rights>The Chemical Society of Japan</rights><rights>Copyright Chemical Society of Japan 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-88cc1d491aff0b934a0deb17b87b5e7ebb005969d1025b9f9012f182248a8cfa3</citedby><cites>FETCH-LOGICAL-c453t-88cc1d491aff0b934a0deb17b87b5e7ebb005969d1025b9f9012f182248a8cfa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids></links><search><creatorcontrib>Liu, Jiahao</creatorcontrib><creatorcontrib>Kaneko, Yoshiro</creatorcontrib><title>Preparation of Polyhedral Oligomeric Silsesquioxanes Containing Carboxyl Side-Chain Groups and Isolation of a Cage-Like Octamer Using Clay Mineral</title><title>Bulletin of the Chemical Society of Japan</title><description>The hydrolytic condensation of 3-(triethoxysilyl)propyl succinic anhydride (TESPSA) in water using bulky base or acid catalysts such as tetra-n-butylammonium hydroxide (n-Bu4NOH) or trifluoromethanesulfonic acid, respectively, afforded mixtures containing polyhedral oligomeric silsesquioxanes (POSSs) as main products. The mixture obtained under basic conditions contained cage-like octamer (T8-POSS) and that from acidic conditions contained cage-like decamer (T10-POSS) and dodecamer (T12-POSS). On the other hand, polysilsesquioxanes with number average molecular weights of 1.25 × 104 or 1.43 × 104 were obtained when the hydrolytic condensation of TESPSA was performed in the presence of non-bulky base (sodium hydroxide) or acid (hydrochloric acid) catalysts, respectively, in water as a solvent. In addition, only T8-POSS could be isolated from the silsesquioxane mixture obtained via the hydrolytic condensation of TESPSA using n-Bu4NOH by sequential treatment with a clay mineral such as montmorillonite in water and acetone.</description><subject>Acetone</subject><subject>Anhydrides</subject><subject>Cages</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Clay minerals</subject><subject>Condensates</subject><subject>Hydrochloric acid</subject><subject>Montmorillonite</subject><subject>Polyhedral oligomeric silsesquioxane</subject><subject>Polysilsesquioxanes</subject><subject>Sodium hydroxide</subject><subject>Triflic acid</subject><issn>0009-2673</issn><issn>1348-0634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNptkMtKAzEUhoMoWC9L9wHXU5PMLXEngzeotKCuh5NMpk2dJmMyhc5r-MTG-8bV4Ry-8_3wI3RGyZSyrLiQKqynjFBOiGB7aELTjCekSLN9NCHxlrCiTA_RUQjruPI8ExP0tvC6Bw-DcRa7Fi9cN65046HD884s3UZ7o_Cj6YIOr1vjdmB1wJWzAxhr7BJX4KXbjV1kGp1Uq3jGt95t-4DBNvg-uO5XDpFe6mRmXjSeqwGiHD-HT0sHI34wVsfgE3TQQsw7_Z7H6Pnm-qm6S2bz2_vqapaoLE-HhHOlaJMJCm1LpEgzII2WtJS8lLkutZSE5KIQDSUsl6IVhLKWcsYyDly1kB6j8y9v793rVoehXruttzGyZoyJghIhRKSSL0p5F4LXbd17swE_1pTUH7XXH7XXP7VH_vKbX-mNUdHmlNHDuIYe7F_C_8_vkZeMAg</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Liu, Jiahao</creator><creator>Kaneko, Yoshiro</creator><general>The Chemical Society of Japan</general><general>Chemical Society of Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20180701</creationdate><title>Preparation of Polyhedral Oligomeric Silsesquioxanes Containing Carboxyl Side-Chain Groups and Isolation of a Cage-Like Octamer Using Clay Mineral</title><author>Liu, Jiahao ; Kaneko, Yoshiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-88cc1d491aff0b934a0deb17b87b5e7ebb005969d1025b9f9012f182248a8cfa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acetone</topic><topic>Anhydrides</topic><topic>Cages</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Clay minerals</topic><topic>Condensates</topic><topic>Hydrochloric acid</topic><topic>Montmorillonite</topic><topic>Polyhedral oligomeric silsesquioxane</topic><topic>Polysilsesquioxanes</topic><topic>Sodium hydroxide</topic><topic>Triflic acid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Jiahao</creatorcontrib><creatorcontrib>Kaneko, Yoshiro</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Bulletin of the Chemical Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Jiahao</au><au>Kaneko, Yoshiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of Polyhedral Oligomeric Silsesquioxanes Containing Carboxyl Side-Chain Groups and Isolation of a Cage-Like Octamer Using Clay Mineral</atitle><jtitle>Bulletin of the Chemical Society of Japan</jtitle><date>2018-07-01</date><risdate>2018</risdate><volume>91</volume><issue>7</issue><spage>1120</spage><epage>1127</epage><pages>1120-1127</pages><issn>0009-2673</issn><eissn>1348-0634</eissn><abstract>The hydrolytic condensation of 3-(triethoxysilyl)propyl succinic anhydride (TESPSA) in water using bulky base or acid catalysts such as tetra-n-butylammonium hydroxide (n-Bu4NOH) or trifluoromethanesulfonic acid, respectively, afforded mixtures containing polyhedral oligomeric silsesquioxanes (POSSs) as main products. The mixture obtained under basic conditions contained cage-like octamer (T8-POSS) and that from acidic conditions contained cage-like decamer (T10-POSS) and dodecamer (T12-POSS). On the other hand, polysilsesquioxanes with number average molecular weights of 1.25 × 104 or 1.43 × 104 were obtained when the hydrolytic condensation of TESPSA was performed in the presence of non-bulky base (sodium hydroxide) or acid (hydrochloric acid) catalysts, respectively, in water as a solvent. In addition, only T8-POSS could be isolated from the silsesquioxane mixture obtained via the hydrolytic condensation of TESPSA using n-Bu4NOH by sequential treatment with a clay mineral such as montmorillonite in water and acetone.</abstract><cop>Tokyo</cop><pub>The Chemical Society of Japan</pub><doi>10.1246/bcsj.20180092</doi><tpages>8</tpages></addata></record> |
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| ispartof | Bulletin of the Chemical Society of Japan, 2018-07, Vol.91 (7), p.1120-1127 |
| issn | 0009-2673 1348-0634 |
| language | eng |
| recordid | cdi_proquest_journals_2229610999 |
| source | Oxford University Press Journals All Titles (1996-Current) |
| subjects | Acetone Anhydrides Cages Catalysis Catalysts Clay minerals Condensates Hydrochloric acid Montmorillonite Polyhedral oligomeric silsesquioxane Polysilsesquioxanes Sodium hydroxide Triflic acid |
| title | Preparation of Polyhedral Oligomeric Silsesquioxanes Containing Carboxyl Side-Chain Groups and Isolation of a Cage-Like Octamer Using Clay Mineral |
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