C(triple‐bond)C—H⋯N hydrogen bonding in 3﹎ethylthioropargylthioquinolinedoi:10.1107/S0108270199016297Stanisław BoryczkaAntoine M. M. SchreursJan KroonThomas SteinerWiley Subscription Services, Inc., A Wiley CompanyActa Crystallographica Section C...
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(0.2 mol l−1) for several hours, the C–Ni bond remained unbroken; F/Cl exchange took place instead to givetrans-Ni(ICy)2Ar(1m)Cl (confirmed by X-ray diffraction analysis, CCDC 1438709;Fig. 3a,c). Furthermore, the reaction oftrans-Ni(ICy)2Ar(1m)F with PhSnMe3under the...
Gas-phase He I and He II photoelectron spectroscopy is used to experimentally determine the bonding interactions of [eta][sup 1]-acetylide ligands in ([eta][sup 5]-C[sub 5]H[sub 5])Fe(CO)[sub 2]C[triple bond]CR compounds (R = H, [sup t]Bu, or phenyl). The spectra show a ...
the protein. The precipitated protein was removed by centrifugation at 14,000 × gfor 10 min. and the supernatant was filtered through a 0.22-μm PES membrane. A 20 μL portion of the supernatant was analyzed by an Agilent 6420 Triple Quadrupole LC/MS instrument (Agilent ...
2-Halophenyl ketones 1a-e (1a, o-IC(6)H(4)COCH(3)) undergo carbocyclization with alkyl propiolates (2a, CH(3)(CH(2))(4)C[triple bond]CCO(2)CH(3); 2b, TMSC[... D. Rayabarapu,Chun-Hui Yang,Chien‐Hong Cheng - The Journal of organic chemistry 被引量: 0发表: 2003年 加载...
"Synthesis and Structure of the Bis- and Tris-Polyhedral Hybrid Carboranoclathrochelates with Functionalizing Biorelevant Substituents—The Derivatives of Propargylamine Iron(II) Clathrochelates with Terminal Triple C≡C Bond(s)" Molecules 26, no. 12: 3635. https://doi.org/10.3390/molecules26123635...
Large CO2 selectivity of a Pt-based catalyst could be achieved through the rational design of catalyst that takes into account not only the usage of the OHads, providing component (SnOx), but also a suitable catalyst surface composition, and suitable surface sites for C–C bond cleavage (...
The influence of carbon–carbon triple bond polarization on the regiochemistry of the Pauson–Khand reaction has been studied with the B3LYP functional. The regiochemistry determining step of this reaction, i.e., olefin insertion leading to cobaltacycle formation, has been examined with ethylene as...