A {simple|easy|straightforward|basic|uncomplicated|very simple} and mild {method|technique|approach|strategy|system|process} for silver trifluoroacetate promoted cycloisomerization of {3|three},5-diyn-1-ones {provided|supplied|offered} 2-alkynyl furans, which {can be|may be|could be|might be|is often|is usually} {further|additional} transformed into alkyne hydration or furan-based polycyclic {products|goods|items|merchandise|solutions} was {developed|created}. It was {found|discovered|identified|located} that tri-fluoroacetate anion plays a {crucial|essential|vital|critical|important} {role|function|part} {in the|within the|inside the} cycloisomerization reaction, {and the|and also the|as well as the|along with the|plus the} intermediate Ag-furan {complex|complicated} was {first|initial|very first|1st|initially} {directly|straight} observed by 1H-NMR spectroscopy and mass spectrometry. 1175052-07-9 uses rac-BI-DIME site PMID:25959043
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