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Journals and Conferences
The 5'-UTR serves as the loading dock for ribosomes during translation initiation and is the key site for translation regulation. Many genes in the yeast Saccharomyces cerevisiae contain poly(A) tracts in their 5'-UTRs. We studied these pre-AUG poly(A) tracts in a set of 3274 recently identified 5'-UTRs in the yeast to characterize their effect on in vivo… (More)
A highly efficient intermolecular addition of 1,3-diketones to alkenes catalyzed by AuCl3/AgOTf was developed. A mechanistic rationale for the reaction has been proposed via a alpha-C-H activation.
[reaction: see text] A highly efficient alkynylation-cyclization of terminal alkynes with ortho-alkynylaryl aldehydes leading to 1-alkynyl-1H-isochromenes was developed by using a gold-phosphine complex as catalyst in water. The reaction was dually promoted by an electron-donating phosphine ligand and water and was chelation-controlled.
[reaction: see text] A highly efficient annulation of phenols and naphthols with dienes was developed by using a combination of AuCl(3)/AgOTf as catalyst. The annulation generated various benzofuran derivatives under mild conditions rapidly.
ETHNOPHARMACOLOGICAL RELEVANCE Houshiheisan (HSHS), a classic traditional medicine prescription, has notable effects on patients with stroke AIM OF THE STUDY: To investigate the neurorestorative effects of HSHS on ischemic stroke and explore its mode of action. MATERIALS AND METHODS Focal cerebral ischemia models were induced by permanent middle cerebral… (More)
[reaction: see text] A phosphine ligand served as a remarkable chemo-switch for the silver-catalyzed reaction of alkynes with aldehydes in the presence of amines in water. Exclusive aldehyde-alkyne-amine coupling product was observed in the absence of phosphine, whereas in the presence of a phosphine ligand, exclusive aldehyde-alkyne coupling product was… (More)
A highly efficient alkynylation-cyclization of terminal alkynes with salicylaldehydes leading to substituted 2,3-dihydrobenzofuran-3-ol derivatives was developed by using Cy(3)P-silver complex as catalyst in water. Counter anions in the silver complex proved to be the key factor to Z/E stereoselectivity control. Aurones can also be obtained effectively from… (More)
[reaction: see text] A highly efficient inter- and intramolecular addition of 1,3-diketone/beta-ketoester to alkenes was developed by using silver catalysts. Silver triflate shows the highest catalytic activity. The reaction is reversible through the cleavage of a carbon-carbon bond by silver at an elevated temperature.