用于工业相关氢化反应的高效和选择性纳米结构催化剂的开发继续是化学研究的实际目标。尤其是腈和硝基芳烃的氢化对于伯胺的生产非常重要,伯胺构成了高级化学品,生命科学分子和材料的重要原料和关键中间体。在这里,我们报道了石墨烯壳包封的Co 3 O 4的制备-和钴-纳米颗粒通过碳上对苯二甲酸钴对苯二甲酸MOF的模板合成和随后的热解而负载在碳上。所得的纳米颗粒产生稳定且可重复使用的催化剂,用于官能化和结构多样的芳族,杂环和脂肪族腈以及硝基化合物选择性氢化为伯胺(> 65实例)。这种新型的基于非贵金属的氢化方案的合成和实用性通过将数种反应的规模扩大到数克规模并回收催化剂得到了证明。
On-Chip Screening of a Glycomimetic Library with C-Type Lectins Reveals Structural Features Responsible for Preferential Binding of Dectin-2 over DC-SIGN/R and Langerin
A library of mannose‐ and fucose‐based glycomimetics was synthesized and screened in a microarray format against a set of C‐type lectin receptors (CLRs) that included DC‐SIGN, DC‐SIGNR, langerin, and dectin‐2. Glycomimetic ligands able to interact with dectin‐2 were identified for the first time. Comparative analysis of binding profiles allowed their selectivity against other CLRs to be probed.
Selective Targeting of Dendritic Cell-Specific Intercellular Adhesion Molecule-3-Grabbing Nonintegrin (DC-SIGN) with Mannose-Based Glycomimetics: Synthesis and Interaction Studies of Bis(benzylamide) Derivatives of a Pseudomannobioside
nonintegrin (DC‐SIGN) and Langerin are C‐type lectins of dendritic cells (DCs) that share a specificity for mannose and are involved in pathogen recognition. HIV is known to use DC‐SIGN on DCs to facilitate transinfection of T‐cells. Langerin, on the contrary, contributes to virus elimination; therefore, the inhibition of this latter receptor is undesired. Glycomimetic molecules targetingDC‐SIGN have been
Nickel-catalyzed hydrogenative coupling of nitriles and amines for general amine synthesis
作者:Vishwas G. Chandrashekhar、Wolfgang Baumann、Matthias Beller、Rajenahally V. Jagadeesh
DOI:10.1126/science.abn7565
日期:2022.6.24
Efficient and general methods for the synthesis of amines remain in high demand in the chemical industry. Among the many known processes, catalytic hydrogenation is a cost-effective and industrially proven reaction and currently used to produce a wide array of such compounds. We report a homogeneous nickel catalyst for hydrogenative cross coupling of a range of aromatic, heteroaromatic, and aliphatic
MITOCHONDRIAL ALDEHYDE DEHYDROGENASE-2 BINDING COMPOUNDS AND METHODS OF USE THEREOF
申请人:Aviv Therapeutics, Inc.
公开号:US20170057982A1
公开(公告)日:2017-03-02
The present invention provides compounds that bind to mitochondrial aldehyde dehydrogenase-2 (ALDH2), methods of using said compounds to treat patients with Fanconi Anemia, and methods of preparing said compounds.