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10.1002/chin.200908095

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1 H NMR metabolomics to study the effects of diazepam on anisatin induced convulsive seizures

Journal of Pharmaceutical and Biomedical Analysis (2015)

Pei Li Dandan Wei Junsong Wang Ming‐Hua Yang Ling‐Yi Kong

10.1016/j.jpba.2015.08.029

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Limonoids from the Fruits of Aphanamixis polystachya (Meliaceae) and Their Biological Activities

Journal of Agricultural and Food Chemistry (2013)

Yao Zhang Junsong Wang Xiaobing Wang Yu‐Cheng Gu Dandan Wei

Seven new prieurianin-type limonoids, aphapolynins C-I (1-7), and a new aphanamolide-type limonoid, aphanamolide B (8), along with seventeen known compounds, were isolated from the fruits of Aphanamixis polystachya. The structures of these compounds were established on the basis of spectroscopic studies. The absolute configurations were determined by combination of electronic circular dichroism (ECD) calculation, CD exciton chirality method, and single crystal X-ray diffraction. All these isolates were evaluated for their cytotoxicities against three human cancer cell lines, for their inhibitory effects on lipopolysaccharide (LPS) induced RAW264.7 murine macrophages, and for their fungicidal, herbicidal, and insecticidal activities. Compounds 1, 14, 16, and 17 exhibited significant fungicidal activities; 1 and 25 in particular showed good insecticidal activities. The α,β-unsaturated lactone and 14,15-epoxy ring moieties were essential for the insecticidal activity.

Limonoid

Meliaceae

Chirality

Absolute Configuration

10.1021/jf3049774

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Recent Advances of Oxidative Radical Cross‐Coupling Reactions: Direct α‐C(sp³)–H Bond Functionalization of Ethers and Alcohols

Advanced Synthesis & Catalysis (2016)

Sheng‐Rong Guo Pailla Santhosh Kumar Ming‐Hua Yang

Abstract Oxygen‐containing heterocycles are an important class of compounds with diverse biological activities. In recent years, direct α‐C–H functionalization of inexpensive and abundant readily available ethers and alcohols by oxidative radical cross‐coupling with different nucleophilic partners (C–H, N–H, O–H and S–S), leading to the construction of C–C and C–X (X=C, N, O, S) bonds, has emerged as one of the vital strategies among oxidative cross‐coupling reactions. Owing to the features of being atom‐economic, environmentally benign, having a simple operation and biologically properties, a series of ether α‐C( sp 3 )–H bond activation reactions have been developed by metal or metal‐free systems via the radical oxidative coupling pathway, since the radical oxidative coupling reactions have wide range of applications. This review aims to highlight the recent advances in direct α‐C( sp 3 )–H bond functionalization of ethers and alcohols via radical oxidative process. magnified image

Surface Modification

Coupling reaction

Reactivity

10.1002/adsc.201600467

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CCDC 1042188: Experimental Crystal Structure Determination

The Cambridge Structural Database (2017)

Fa-Liang An Junsong Wang Hui Wang Xiaobing Wang Ming‐Hua Yang

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc13zgzj

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