According to the less frequently used model, C=C double bonds consist of two bent C–C single bonds. The second model is used to describe the bonding in olefins, according to which, a C=C double bond consists of σ and π bond. The higher stability of σ- in comparison to π-C–C...
论文信息: Direct C-C Double Bond Cleavage of Alkenes Enabled by Highly Dispersed Cobalt Catalyst and Hydroxylamine Wenxuan Xue, Yijie Jiang, Hongcheng Lu, Bo You, Xu Wang, andConghui Tang* Angew. Chem. Int. Ed.2023, 62, e202314364. 论文链接:https://onlinelibrary.wiley.com/doi/10.1002/ani...
One-pot catalytic C–C double bond cleavage of α,β-enones aided by alkyl group-immobilized silica spheres Catalytic C–C double bond cleavage of α,β-enones with a 1-alkene and H2O was carried out in the presence of a (Ph3P)3RhCl catalyst, 2-amino-3-picoline, ... PCHJ Dong - ...
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Radical-triggered translocation of C–C double bond and functional group Shengchun Wang Xu Luo Aiwen Lei Nature Chemistry (2024) Nickel-catalyzed arylcyanation of alkenes via cyano group translocation: access to 1,n-dinitriles or 4-amino nitriles Xiaohong Li Shenfan Wang Liangbin Huang ...
The weak carbon–metal bond combined with the kinetic inertness of the carbon–carbon bond renders metal-catalysed C–C bond activation to be highly challenging. Most of the reported C–C bond activation methodologies involve strain-releasing cleavage of small rings to compensate for unfavourable kine...
A B-C Double Bond Unit Coordinated to Platinum: An Alkylideneboryl Ligand that Is Isoelectronic to Neutral Aminoborylene Ligands... F Hupp,J Brand,H Braunschweig - 《Angewandte Chemie》 被引量: 0发表: 2014年 Reactions of 1,4- and 2,3-Diazadienes with Titanocene and Zirconocene Complexes...
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Cytochrome P450 enzymes are known to catalyse bimodal oxidation of aliphatic acids via radical intermediates, which partition between pathways of hydroxylation and desaturation1,2. Developing analogous catalytic systems for remote C–H functionalization
1) CC double bonds C C双键2) C=N double bond C=N双键 1. The main focuses are the asymmetric allylation reactions of C=N double bonds through using chiral auxiliary groups, chiral allylation reagents, and asymmetric catalysts. 详细地综述了有关C=N双键立体选择性烯丙基化反应的研究进展。3...