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Bridging the gap between transition metal- and bio-catalysis via aqueous micellar catalysis

机译:通过水性胶束催化弥合过渡金属催化和生物催化之间的差距

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摘要

Previous studies have shown that aqueous solutions of designer surfactants enable a wide variety of valuable transformations in synthetic organic chemistry. Since reactions take place within the inner hydrophobic cores of these tailor-made nanoreactors, and products made therein are in dynamic exchange between micelles through the water, opportunities exist to use enzymes to effect secondary processes. Herein we report that ketone-containing products, formed via initial transition metal-catalyzed reactions based on Pd, Cu, Rh, Fe and Au, can be followed in the same pot by enzymatic reductions mediated by alcohol dehydrogenases. Most noteworthy is the finding that nanomicelles present in the water appear to function not only as a medium for both chemo- and bio-catalysis, but as a reservoir for substrates, products, and catalysts, decreasing noncompetitive enzyme inhibition.
机译:先前的研究表明,设计表面活性剂的水溶液能够在合成有机化学中实现多种有价值的转化。由于反应发生在这些定制的纳米反应器的内部疏水核内,并且其中的产物在微团之间通过水进行动态交换,因此存在使用酶进行次级过程的机会。本文中,我们报道了通过基于Pd,Cu,Rh,Fe和Au的过渡金属催化的初始反应形成的含酮产品,可以在同一罐中通过乙醇脱氢酶介导的酶促还原反应进行追踪。最值得注意的发现是,水中存在的纳米胶束不仅充当化学和生物催化的介质,而且还充当底物,产物和催化剂的储存库,从而减少了非竞争性酶的抑制作用。

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