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C-C Double Bond Cleavage of Linear R,尾-Unsaturated Ketones. Bull. Korean Chem. Soc. 2004, 25, 1623-1624. CH Jun,CW Moon,SG Lim,... - 《Organic Letters》 被引量: 0发表: 2002年 Copper-Catalyzed C-C(O)C Bond Cleavage of Monoalkylated β-Diketone: Synthesis of α,β-Unsaturated ...
The conformers are characterized by similar energies and differ in the value of a C{double bond, long}N{single bond}N{double bond, long}C angle, that was calculated to be 180掳 for a planar s-trans conformer and 155掳 for a non-planar gauche one. The calculated barrier for ...
The remaining 25% of mix-1 is represented by mesomeric R,S-1 which nominally plays a spectator role in both C-H and C[double bond, length as m-dash]C bond oxidation reactions. Overall, this mixture of iron complexes displays the same catalytic profile as its enantiopure components that ...
The bond length determined by X-ray (1.806(2) Å) was greater than the shortest non-bonded intramolecular C…C contact (1.80(2) Å). The assumed limit for a C–C bond (1.803 Å) by supposing linear correlation between bond length and bond-dissociation energy for covalent bonding was...
The inhibited internal rotation about the C-N partially double bond in N-acyl-1,2,3,4-tetrahydroquinolines was investigated by NMR spectroscopy. It is demonstrated that these compounds exist in the form of Z and E conformers, and their ratios are determined under the conditions of stereochemica...
To gain further insights into this enzyme, we determined the structure of CalA3 by cryo-EM analysis and reconstituted the in vitro amide bond formation reaction. We purified full-length His-tagged CalA3 using a nickel column, then a heparin column, and finally a size-exclusion column (Suppleme...
Article 01 July 2024 Radical-triggered translocation of C–C double bond and functional group Article 09 September 2024 Copper-catalysed benzylic C–H coupling with alcohols via radical relay enabled by redox buffering Article 24 February 2020 Data...
Electron correlations and bond-length fluctuations in copper oxides: from Zhang--Rice singlets to correlation bags We perform first principles, multiconfiguration calculations on clustersincluding several CuO$_6$ octahedra and study the ground-state electrondistribution and electron--lattice couplings when...
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