منابع مشابه
Carbonyl(diphenylcyclopentadienyl)- und Carbonyl(tetraphenylcyclopentadienyl)rhodium(I) Komplexe Carbonyl(diphenylcyclopentadienyl)- and Carbonyl(tetraphenylcyclopentadienyl)rhodium(I) Complexes
[Rh(CO)2Cl] 2 reacts with 1,3-diphenylcyclopentadienyl sodium or tetraphenylcyclopentadienyl sodium with formation of (l,3-P h2C5H3)Rh(CO ) 2 (1) or (C5HPh4)Rh(CO )2 (2), respectively. The reaction of 1 or 2 with PPh3 yields the corresponding carbonyl(cyclopentadienyl)(triphenylphosphane)rhodium complexes (l,3 -P h 2C5H3)Rh(CO)(PPh3) (3) or (C5HPh4)Rh(CO)(PPh3) (4). The 'H and ' C reported and ...
متن کاملA Donor–Acceptor Perspective on Carbonyl–Carbonyl Interactions in Proteins
Electronic delocalization, a central concept in organic chemistry, is being invoked increasingly in biological contexts [1–3]. We have discovered a non-covalent interaction in proteins, termed the n→π* interaction, in which the lone pair (n) of the oxygen (Oi–1) of a peptide bond overlaps with the antibonding orbital (π*) of the carbonyl group (C′i=Oi) of the subsequent peptide bond (Figure 1A,...
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Noncovalent interactions define and modulate biomolecular structure, function, and dynamics. In many protein secondary structures, an intimate interaction exists between adjacent carbonyl groups of the main-chain amide bonds. As this short contact contributes to the energetics of protein conformational stability as well as protein-ligand interactions, understanding its nature is crucial. The in...
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We study the dynamics of condensate formation in an inhomogeneous trapped Bose gas with a positive interatomic scattering length. We take into account both the nonequilibrium kinetics of the thermal cloud and the Hartree-Fock mean-field effects in the condensed and the noncondensed parts of the gas. We solve our equations numerically by assuming that the thermal component behaves ergodically an...
متن کاملPhotochemistry of Carbonyl Complexes
The photosensitivity of metal carbonyls has been known almost as long as the class of coordination compounds itself. Among no other group of inorganic compounds may one find so many light-sensitive materials. Hence photochemical reactions of metal carbonyls have found wide applications for synthetic purposes. However, whereas much research has been done to understand the thermal reactions," the...
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ژورنال
عنوان ژورنال: Nature Reviews Chemistry
سال: 2020
ISSN: 2397-3358
DOI: 10.1038/s41570-020-0190-3