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首页> 外文期刊>Catalysis science & technology >Co-2(CO)(8) and unsaturated epoxides as unexpected partners in generating functionalized siloxane oils and cross-linked materials
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Co-2(CO)(8) and unsaturated epoxides as unexpected partners in generating functionalized siloxane oils and cross-linked materials

机译：二氧化碳(有限公司)(8)和不饱和环氧化合物是意想不到的伙伴生成功能化硅氧烷油和交联材料

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摘要

Herein, we describe the unexpected ring opening of the epoxide group of allyl glycidyl ether and 4-vinylcyclohexene oxide in polymethylhydrosiloxane (PMHS) hydrosilylation reaction using 0.1 mol% Co-2(CO)(8) as a catalyst. This results in the cross-linking of PMHS via newly formed Si-C, Si-O-C and Si-O-Si bonds. Our studies demonstrate the need for intramolecular proximity of Si-H bonds within the polysilane compound to trigger the cross-linking process. The catalytic system was also successfully employed for the synthesis of trifunctionalized cross-linked materials, demonstrating further the potential of using non-precious metal complexes in silicone chemistry for unprecedented reactivity.
机译：在此,我们描述了意想不到的开环的烯丙基缩水甘油醚和环氧基团4-vinylcyclohexene氧化物在polymethylhydrosiloxane (pmh)氢化硅烷化反应使用0.1 mol %二氧化碳(有限公司)(8)催化剂。通过新成立的如果pmh, Si-O-C Si-O-Si债券。在分子内接近Si-H债券聚合物复合引发交联的过程。成功地用于合成trifunctionalized交联材料进一步证明使用的潜力在硅胶non-precious金属配合物化学奖前所未有的反应性。

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