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微波輔助聚合物化學
閱讀:2325發(fā)布時間:2009-7-6
微波輔助聚合物化學:Heck反應,, 酯交換反應,,Baeyer- Villiger氧化反應,惡唑啉(oxazoline)聚合反應,,丙烯酰胺以及多孔材料聚合反應
摘要
若干問題仍然開放論及微波輻射對有機和高分子化學的不同影響,。因此, 對相關的調查實驗結果進行分析,我們闡明三個微波輻射的主要影響:有效的非接觸式加熱,,加*果,,以及我們專門稱的特殊效果。
在本文中,,*: 利用HECK-縮聚反應( HECK-POLYCONDENSATION) 以及通過微波輔助合成聚合物(2, 5-dibutoxy-1, 4-phenylenevinylene)作為一個例子證明微波的 “有效地加熱(EFFICIENT HEATING)”,。第二: 通過Baeyer–Villiger 反應合成較高內酯的1-oxa-2-oxocyclooctanone and 1-oxa-2-oxocyclononanon作為一個例子證明微波的 “加*果(ACCELERATING EFFECT)” 。第三:我們zui近的調查工作也給予更詳細的微波效應的解釋,,并提供特殊微波效果(SPECIAL MICROWAVE EFFECT)的實例,。微波合成。
Microwave-assisted polymer chemistry: Heck-reaction,transesterification, Baeyer–Villiger oxidation, oxazoline polymerization, acrylamides, and porous materials
Abstract—Several questions are still open concerning the different effects of microwave (MW) irradiation in organic and macromolecular chemistry. Analyzing experimental results on a relatively broad investigation area, we came to elucidate three main effects of microwave irradiation: efficient non-contact heating, an accelerating effect, and what we term a special effect.
In this paper, we report the first MW assisted synthesis of poly (2, 5-dibutoxy-1, 4-phenylenevinylene) via Heck-polycondensation as an example for efficient heating. The facile synthesis of the higher lactones 1-oxa-2-oxocyclooctanone and 1-oxa-2-oxocyclononanone via Baeyer–Villiger reaction offers indeed an example for theMW-accelerating effect. A survey of our recent work is also given to explain the effects more in detail and to provide examples of the special MWeffect.
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