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A library of glucal-derived triazoles have been synthesized using the copper-catalyzed azide-alkyne cyclization reaction starting from 3,4,6-tri-O-acetyl-d-glucal. Different trimethylsilyl substituted alkyne derivatives of glucal were first synthesized from 3,4,6-tri-O-acetyl-d-glucal, using Sonogashira coupling, hydrostannation and iodination steps. These glucal-based trimethylsilyl-protected alkynes...
A series of 2-(S)-isopropyl-pyrimidinones functionalized at C5 with triazole rings, in which the substituents are found at N-1′ of the triazole ring, were synthesized. Through the azide–acetylene cycloaddition reaction, using CuI as a copper source and ultrasonic waves as an energy source it was possible to obtain products with yields ranging from 79% to 89% within 5min or less. A preliminary study...
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