The sustainable chemical industry encompasses a shift from the use of fossil carbon to renewable carbon. The synthesis of chemicals from nonedible biomass (cellulosic or oil) represents one of the key steps for “greening” the chemical industry. In this paper, we report the aerobic oxidative cleavage of C6 polyols (5‐HMF, glucose, fructose and sucrose) to oxalic acid (OA) and succinic acid (SA) in water under mild conditions using M@CNT and M@NCNT (M=Fe, V; CNT=carbon nanotubes; NCNT=N‐doped CNT), which, under suitable conditions, were recoverable and reusable without any loss of efficiency. The influence of the temperature, O₂ pressure (P ), reaction time and stirring rate are discussed and the best reaction conditions are determined for an almost complete conversion of the starting material and a good OA yield of 48 %. SA and formic acid were the only co‐products. The former could be further converted into OA by oxidation in the presence of formic acid, resulting in an overall OA yield of >62 %. This process was clean and did not produce organic waste nor gas emissions.

中文翻译：

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在温和条件下通过C6多元醇的好氧氧化可持续合成草酸和琥珀酸

可持续化学工业包括从使用化石碳到可再生碳的转变。由不可食用的生物质（纤维素或石油）合成化学物质是“绿化”化学工业的关键步骤之一。在本文中，我们报道了在温和的条件下使用M @ CNT和M @ NCNT（5-HMF，葡萄糖，果糖和蔗糖）在水中将草酸（OA）和琥珀酸（SA）氧化分解为草酸（OA）和琥珀酸（SA）（ M = Fe，V; CNT =碳纳米管; NCNT = N掺杂的CNT），在合适的条件下可以回收和重复使用而不会降低效率。温度的影响，O ₂压力（P ），讨论了反应时间和搅拌速率，并确定了最佳的反应条件，以使原料几乎完全转化并获得48％的OA产率。SA和甲酸是唯一的副产品。前者可在甲酸存在下通过氧化进一步转化为OA，导致OA的总收率> 62％。这个过程是干净的，没有产生有机废物或气体排放。