Silicone dendrons and dendrimers from orthogonal SiH coupling reactions

文献情報

出版日 2014-08-20

DOI 10.1039/C4PY00680A

インパクトファクター 5.582

著者

John B. Grande, Tomas Urlich, Tara Dickie, Michael A. Brook

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要旨

There are many potential applications for precise, large molecular weight silicone structures. The available elegant routes to silicone dendrimers are compromised by the use of reactions that involve acid/base formation: either type of catalyst can initiate silicone equilibration, which can lead to the loss of structural integrity of the dendrimers. Platinum-catalyzed hydrosilylation and B(C6F5)3-catalyzed Piers Rubinsztajn reactions were shown to be orthogonal. Sequential utilization of the two reactions can be applied both convergently and divergently to prepare both silicone dendrons and dendrimers. Precise silicone compounds of molecular weights in excess of 13 500 g mol−1 were prepared in good to excellent yield without the problems of degradative metathesis.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Silicone dendrons and dendrimers from orthogonal SiH coupling reactions

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