CommunicationTotal Synthesis of (−)-Penifulvin A， an Insecticide with a Dioxafenestrane SkeletonAbstractHerein we report the first total synthesis of Penifulvin A， a sesquiterpenoid with a novel dioxa-fenestrane Penifulvin A is a potent insecticide against the fall armyworm Spodoptera frugiperda which causes enormous damage in the US by consuming foliage of a variety of field A five-step racemic and an eight-step enantioselective route to the natural product and the determination of its absolute configuration are The key step involves a meta-photocycloaddition， giving rapid access to the carbon skeleton of penifulvin A in a stereoselective Finally an oxidation cascade leads to the natural The synthetic route is free from protecting groups， scalable， and flexible so that a variety of analogues， among them penifulvins B−E， should be available for performing SAR tests in the insecticidal CommunicationSynthesis of Uniform Ferrimagnetic Magnetite NanocubesAbstractWe synthesized uniform ferrimagnetic magnetite nanocubes in the size range from 20 to 160 The magnetic property of the nanocubes was characterized， and magnetic separation of the histidine-tagged protein was CommunicationA Single Antibody Catalyzes Multiple Chemical Transformations upon Replacement of the Functionalized Small Nonprotein ComponentsAbstractA single antibody catalyzes multiple chemical transformations upon replacement of the funcctionalized small nonportein CommunicationSupercritical Processing as a Route to High Internal Surface Areas and Permanent Microporosity in Metal−Organic Framework MaterialsAbstractCareful processing of four representative metal−organic framework (MOF) materials with liquid and supercritical carbon dioxide (ScD) leads to substantial， or in some cases spectacular (up to 1200%)， increases in gas-accessible surface Maximization of surface area is key to the optimization of MOFs for many potential Preliminary evidence points to inhibition of mesopore collapse， and therefore micropore accessibility， as the basis for the extraordinarily efficacious outcome of ScD-based 通信 在（ - ）- Penifulvin甲，一个具有Dioxafenestrane骨架全合成杀虫剂 摘要 我们在此报告的Penifulvin甲，一个新的二氧杂窗烷结构的倍半萜的首次全合成。 Penifulvin A是针对秋季夜蛾夜蛾造成了消费领域的各种作物的枝叶在美国的巨大破坏烈性杀虫剂。五步消旋和8步不对称路由到天然产品，其绝对构型确定描述。关键步骤是元光环，让快速访问一个立体的方式对penifulvin碳骨架。最后一氧化级联导致的必然产物。该合成路线是从保护团体的自由，可扩展，灵活，不同的类似物，其中penifulvins乙娥，应履行的杀虫作用特区测试可用。 通信 统一亚铁合成磁铁矿Nanocubes 摘要 我们合成的尺寸范围从20到160纳米的统一亚铁磁铁矿nanocubes。该nanocubes磁性的特点，以及磁选组氨酸标签的蛋白质证明。 通信 阿单抗体催化多种化学物质变换的功能化后，小非蛋白成分替换 摘要 单一催化抗体后，小nonportein的funcctionalized更换元件多种化学物质转变。 通信 超临界加工作为干线至偏高内部表面积和常驻微孔在金属有机骨架材料 摘要 四个代表金属有机骨架（MOF）的液体和超临界二氧化碳（SCD）的材料，仔细处理导致重大，或在某些情况下壮观（高达1200％），气体的增加，表面积。表面积最大化的关键在于优化的MOFs许多潜在的应用。初步证据表明，孔崩溃的抑制，因此微孔无障碍作为ScD内非常有效的成果为基础的基础，激活。
