基于水滑石的超分子插層手性催化材料
發(fā)布時(shí)間：2018-10-18 07:11
【摘要】：不對(duì)稱催化反應(yīng)是高效合成單一對(duì)映體手性化合物的重要途徑之一.近年來,均相催化劑多相化因符合綠色化學(xué)發(fā)展趨勢(shì)的要求,成為近年來不對(duì)稱催化領(lǐng)域的研究熱點(diǎn).但其發(fā)展也面臨巨大挑戰(zhàn):多相化往往會(huì)造成催化活性大幅度下降,還伴隨對(duì)映選擇性的降低甚至完全喪失.基于水滑石層間陰離子種類和數(shù)量的可調(diào)控性,將具有不對(duì)稱催化活性的客體陰離子插入水滑石層間,可利用層內(nèi)空間的限域效應(yīng)和主體層板的協(xié)同效應(yīng)強(qiáng)化不對(duì)稱選擇性,同時(shí)主體層板的可剝離性和功能協(xié)同提高反應(yīng)活性.本文重點(diǎn)綜述近幾年來基于水滑石超分子插層手性催化材料的研究進(jìn)展.
[Abstract]:Asymmetric catalytic reaction is one of the important ways to synthesize single enantiomer chiral compounds efficiently. In recent years, heterogeneous catalysts have become a hot research area in asymmetric catalysis due to the development trend of green chemistry. However, its development also faces a great challenge: heterogeneous will often lead to a significant decline in catalytic activity, but also associated with the reduction of enantioselectivity or even total loss of the enantioselectivity. Based on the controllability of the species and quantity of anions between layers of hydrotalcite, the guest anions with asymmetric catalytic activity are inserted into the interlayer of hydrotalcite to enhance asymmetric selectivity by using the limited space effect in the layer and the synergistic effect of the host plate. At the same time, the peeling ability and function of the main laminates synergistically improve the reaction activity. In this paper, the research progress of hydrotalcy-based Shi Chao molecular intercalation chiral catalytic materials in recent years is reviewed.
【作者單位】： 北京化工大學(xué)化工資源有效利用國家重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家自然科學(xué)基金(編號(hào):21673016,21521005) 國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(編號(hào):2014CB932100)資助項(xiàng)目
【分類號(hào)】：O643.36
[Abstract]:Asymmetric catalytic reaction is one of the important ways to synthesize single enantiomer chiral compounds efficiently. In recent years, heterogeneous catalysts have become a hot research area in asymmetric catalysis due to the development trend of green chemistry. However, its development also faces a great challenge: heterogeneous will often lead to a significant decline in catalytic activity, but also associated with the reduction of enantioselectivity or even total loss of the enantioselectivity. Based on the controllability of the species and quantity of anions between layers of hydrotalcite, the guest anions with asymmetric catalytic activity are inserted into the interlayer of hydrotalcite to enhance asymmetric selectivity by using the limited space effect in the layer and the synergistic effect of the host plate. At the same time, the peeling ability and function of the main laminates synergistically improve the reaction activity. In this paper, the research progress of hydrotalcy-based Shi Chao molecular intercalation chiral catalytic materials in recent years is reviewed.
【作者單位】： 北京化工大學(xué)化工資源有效利用國家重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家自然科學(xué)基金(編號(hào):21673016,21521005) 國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(編號(hào):2014CB932100)資助項(xiàng)目
【分類號(hào)】：O643.36
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