Rice husk derived nanosilica supported Cu(II) complex: an efficient heterogeneous catalyst for oxidation of alcohols using TBHP

Gogoi Nibedita; Begum Tahshina; Dutta Smarika; Bora Utpal; Gogoi Pradip K.

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Rice husk derived nanosilica supported Cu(II) complex: an efficient heterogeneous catalyst for oxidation of alcohols using TBHP

机译：稻壳衍生的纳米硅烷支撑的Cu（ii）复合物：使用TBHP氧化醇的有效异质催化剂

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We have developed a heterogenized catalyst of Cu(II) complex immobilized onto nanosilica obtained from rice husk (RH), through coordination of imine, generated via Schiff-base condensation between 3-aminopropyltriethoxysilane (APTES) functionalized nanosilica and acetamide. The synthesized catalysts were characterized by FT-IR, XRD, BET surface area measurements, ESR, SEM-EDX and ICP-AES. The synthesized catalyst showed excellent activity towards controlled oxidation of different primary and secondary alcohols in the presence of tert-butyl hydrogen peroxide (TBHP). Furthermore, the catalysts could be recovered by simple filtrations and can be reused upto many consecutive cycles without loss in activity.

机译：我们已经开发了固定在稻壳（RH）上的纳米乳蛋白的Cu（II）复合物的异质化催化剂，通过亚胺的配位通过3-氨基丙基三乙氧基硅烷（Aptes）官能化纳米硅烷和乙酰胺而产生。通过FT-IR，XRD，BET表面积测量，ESR，SEM-EDX和ICP-AES表征合成催化剂。合成催化剂在存在叔丁基氢过氧化氢（TBHP）的情况下，朝向不同初级和仲醇的控制氧化的优异活性。此外，催化剂可以通过简单的过滤回收，并且可以在不损失的情况下重复以较多的连续循环重复。

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来源
《RSC Advances》 |2015年第115期|共9页
作者
Gogoi Nibedita; Begum Tahshina; Dutta Smarika; Bora Utpal; Gogoi Pradip K.;
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Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

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正文语种 eng
中图分类化学;
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1. Rice husk derived nanosilica supported Cu(II) complex: an efficient heterogeneous catalyst for oxidation of alcohols using TBHP [J] . Gogoi Nibedita, Begum Tahshina, Dutta Smarika, RSC Advances . 2015,第115期

机译：稻壳衍生的纳米硅烷支撑的Cu（ii）复合物：使用TBHP氧化醇的有效异质催化剂
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Rice husk derived nanosilica supported Cu(II) complex: an efficient heterogeneous catalyst for oxidation of alcohols using TBHP

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