Development of Novel Halosilane Reagents and Applications to Polymer Materials

新型卤代硅烷试剂的开发及其在高分子材料中的应用

基本信息

批准号：
17550105
负责人：
OHSHITA Joji
金额：
$ 2.37万
依托单位：
HIROSHIMA UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2005
资助国家：
日本
起止时间：
2005 至 2006
项目状态：
已结题

项目摘要

We developed novel synthetic equivalents of iodo-and bromosilanes and examined their chemical behaviors. Novel silicon-based polymers were synthesized utilizing the reactions of alxoxysilanes. The optical and thermal properties of the resulting polymers were also studied.1. We found that mixtures of diaminosilane/MeI and diaminosilane/allylBr behave as synthetic equivalents of dibromo-and diiodosilanes. They react readily with cyclic ethers to form ring-opened halosilylation products. Poly(hydrosiloxane) was found to react with cyclic ethers in the presence of 1 equiv of allylBr and a catalytic amount of PdCl2 to produce poly(bromoalkoxysiloxane) s in goo yield. Further reactions of the resulting poly(bromoalkoxysiloxane)s were studied.2. Selective alkoxylation of di-and trihydrosilens was applied to the synthesis of polymers with vinylenephenylene and adamantane units in the backbone. These polymers exhibit interesting optical properties and high heat resistance, respectively.3. Electrochemical homo- and hetrerocoupling of alkoxychlorosilanes was studies, which proceeded selectively to give alkoxydi- and trisilanes in good yield with alkoxy-Si bonds intact.4. Silicon polymers having benzocrown fluorophors were prepare by nucleophilc substitution of poly(alkoxysilylenephenylene). These polymers respond to alkali and alkali earth metal ions, selectively, to show their potential utilities as ion-sensors was studied.These results indicate that iodosilane, bromosilane, and alkoxysilane are useful reagents not only for organic synthetic tools but also for the formation of functional polymers.

我们开发了iodo和bromosilanes的新型合成等效物，并检查了它们的化学行为。利用藻类硅烷的反应合成了新型硅聚合物。还研究了所得聚合物的光学和热性能。1。我们发现，二氨基硅烷和二氨基硅烷/烯丙基的混合物作为Dibromo和diiodosilanes的合成等效物。他们很容易与环状醚反应，形成开环的卤素化产物。发现聚（氢硅氧烷）在1等等效的Allylbr和催化量的PDCL2的情况下与环状醚反应，以产生粘胶产量的聚（Bromoalkoxysiloxyloxane）S。研究了所得聚（溴烷氧基氧烷）S的进一步反应。2。将DI-和三氢烷的选择性烷氧化量应用于主链中与乙烯基苯基烯和Adamantane单位的聚合物的合成。这些聚合物分别表现出有趣的光学特性和高耐热性3。烷氧基氯烷烷的电化学均和hetRocOpolping是研究，它有选择地进行以烷氧基-SI键完整的烷氧基二 - 和三硅烷的良好产量。4。含有苯洛牛荧光子的硅聚合物是通过核胆汁替代聚（烷基二甲基苯基）来制备的。这些聚合物有选择地对碱和碱土金属离子反应，以显示其潜在的实用性，因为研究了离子传感器。这些结果表明，这些结果表明碘硅烷，溴硅烷和烷氧基硅烷是有机合成工具的有用试剂，而且对于功能性聚合物的形成而言。