Facile, efficient functionalization of polyolefins via controlled incorporation of terminal olefins by repeated 1,7-octadiene insertion
Facile, efficient functionalization of polyolefins via controlled incorporation of terminal olefins by repeated 1,7-octadiene insertion
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DOI：
10.1021/ja076633w
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发表时间：
2007-11-21
影响因子：
15
通讯作者：
Takemoto, Arimitsu
中科院分区：
文献类型：
--
作者：
Nomura, Kotohiro;Liu, Jingyu;Takemoto, Arimitsu
用（C_5Me_5）TiCl_2（O-2，6-（i）Pr_2C_6H_3）-MAO催化剂进行了1，7-辛烯（OD）的重复插入聚合，得到了侧链含有末端烯属双键的聚合物。使用相同的催化剂进行OD与1-辛烯的共聚得到含有末端烯烃的高分子量共聚物，并且在用9-BBN/NaOH-H2 O2（aq）处理共聚物时可以实现羟基的定量引入;在用AlEt 3处理后，可以以可控的方式从羟基引发ε-己内酯的开环聚合。
Exclusive repeated insertion of 1,7-octadiene (OD) has been achieved in OD polymerization using (C5Me5)TiCl2(0-2,6-(i) Pr2C6H3)-MAO catalyst to afford polymers containing terminal olefinic double bonds in the side chain. Copolymerization of OD with 1-octene using the same catalyst afforded high molecular weight copolymers containing terminal olefins, and quantitative introduction of hydroxyl group could be achieved upon treatment of the copolymer with 9-BBN/NaOH-H2O2 (aq); ring-opening polymerization of epsilon-caprolactone could be initiated in a controlled manner from the hydroxyl group after treatment with AlEt3.