نتایج جستجو برای: 9 aryl 1
تعداد نتایج: 2997373 فیلتر نتایج به سال:
Excited-state properties of aryl carotenoids, important components of light harvesting antennae of green sulfur bacteria, have been studied by femtosecond transient absorption spectroscopy. To explore effects of the conjugated aryl group, we have studied a series of aryl carotenoids with conjugated phi-ring, chlorobactene, beta-isorenieratene and isorenieratene, and compared them with their non...
an efficient construction of 2-(n-arylamino)benzaldehydes and n-aryl-3,10-dihydroacridin-1(2h)-one derivatives starting from 2- hydroxybenzaldehydes has been developed. the synthesis of n-aryl-3,10-dihydroacridin-1(2h)-ones is based on the knoevenagel condensation of dimedone to various 2-(n-arylamino)benzaldehydes, followed by an intramolecular enamination in the presence of 20 mol% of nanocry...
The tankyrases are members of the PARP superfamily; they poly(ADP-ribosyl)ate their target proteins using NAD(+) as a source of electrophilic ADP-ribosyl units. The three principal protein substrates of the tankyrases (TRF1, NuMA and axin) are involved in replication of cancer cells; thus inhibitors of the tankyrases may have anticancer activity. Using structure-based drug design and by analogy...
The biaryl structural motif is a predominant feature in many pharmaceutically relevant and biologically active compounds. As a result, for over a century1 organic chemists have sought to develop new and more efficient aryl-aryl bond-forming methods. Although there exist a variety of routes for the construction of aryl-aryl bonds, arguably the most common method is through the use of transition-...
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