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  • ...[[catalyst]]s in [[organic reaction]]s.<ref>''Synthesis of Organometallic Compounds: A Practical Guide'' Sanshiro Komiya Ed. S. Komiya, M. Hurano 1997</ref> Stable organorhodium compounds and transient organorhodium intermediates are used as catalyst such as in o ...
    10 KB (1,353 words) - 12:18, 20 February 2025
  • In [[organometallic]] chemistry, '''f-block metallocenes''' are a class of [[sandwich compound]]s consisting of an [[Block (periodic table)#f-block|f-block]] me ...he coordination, activation and transformation of a variety of unsaturated compounds, including olefins,<ref name=":3" /><ref>Evans, W. J.; Ulibarri, T. A.; Zil ...
    13 KB (2,223 words) - 17:48, 11 May 2024
  • ...ysical state. The low-temperature X-ray structure analysis shows a slipped sandwich structure, i.e. the rings are offset from each other - one ring is η<sup>5< ...thyl derivative Be(C<sub>5</sub>Me<sub>4</sub>H)<sub>2</sub> has a slipped sandwich structure with η<sup>5</sup>,η<sup>1</sup> coordination. In contrast Be(C< ...
    8 KB (1,096 words) - 03:08, 27 February 2025
  • ...book /><ref name=baron /> Domain 1 (residues 1-155) is a [[beta-sandwich|β-sandwich]] consisting of eight antiparallel [[beta sheet|β-strands]].<ref name=overv ===Biomimetic compounds=== ...
    18 KB (2,510 words) - 07:24, 23 September 2024
  • {{Short description|Class of chemical compounds}} ...sence of a broad band in the [[Raman spectroscopy|Raman]] spectra of these compounds.<ref name=":2" /> ...
    29 KB (4,286 words) - 03:37, 21 August 2023
  • ...sidues such as tryptophan, [[phenylalanine]], and [[histidine]] seemingly "sandwich" the substrate, the N-H group of tryptophan forms [[hydrogen bond]]ing inte Numerous medicinally relevant compounds depend upon tryptophan 7-halogenase in their biosynthesis. One notable exam ...
    20 KB (2,676 words) - 10:43, 14 May 2024
  • ...ember of the [[group 10 element|group 10]] of the [[periodic table]]. Most compounds in the group have an [[oxidation state]] of +2. Nickel is classified as a [ ...s, as nickel is adjacent to copper and iron in the periodic table can form compounds with the same structure as the [[high-temperature superconductor]]s that ar ...
    56 KB (8,268 words) - 21:58, 16 February 2025
  • ...eudo-Jahn–Teller Effect in Middle E (E = P, As, Sb) Rings of Triple-Decker Sandwich Complexes |journal=Inorganic Chemistry |date=30 July 2012 |volume=51 |issue ...se systems is their planarity or quasi-planarity, but many of the quasi-2D compounds are subject to out-of-plane deviations known as puckering (buckling). ...
    40 KB (6,003 words) - 19:27, 27 April 2024
  • ...57 |title=Search for the radioactivity of 180mTa using an underground HPGe sandwich spectrometer |year=2009 |last1=Hult |first1=Mikael |last2=Wieslander |first ...bon, nitrogen, and oxygen are commonly separated by gas diffusion of their compounds such as CO and NO. The separation of hydrogen and deuterium is unusual beca ...
    49 KB (7,021 words) - 12:46, 9 February 2025
  • ...ine sandwich]] compared with the large portion size of a 12-inch submarine sandwich.<ref name="Ello" /> Increased portions have occurred simultaneously with th ...9170 | doi = 10.1093/ajcn/33.5.989 }}</ref> Caffeine belongs to a class of compounds called [[methylxanthines]] and is present in coffee, tea, cocoa, chocolate ...
    58 KB (7,883 words) - 02:00, 11 December 2024
  • ...king Eq. ({{EquationNote|2}}), and to images of [[Effective atomic number (compounds and mixtures)|effective-atomic-number]] and [[electron density]] distributi ...ation by splitting the spectrum after interaction in the object. So-called sandwich detectors consist of two (or more) detector layers, where the top layer pre ...
    45 KB (6,113 words) - 06:42, 9 August 2024