A convenient one-pot synthetic route was developed for the preparation of asymmetric 1,3-dialkyl-1,3,5-triazine-2,4,6-triones from readily available alkyl- or aryl-isocyanates, primary amines and N-chlorocarbonyl isocyanate in excellent yields. Subsequent alkylation with N-protected amino alcohols afforded the desired 1,3,5-triazine-2,4,6-triones in good yields.
Efficient solid-phase synthesis of quinazoline-2-thioxo-4-ones with SynPhase? lanterns.
A novel class of inhibitors of pestiviruses (5-substituted 2-phenyl-5H-imidazo[4,5-c]pyridines) is described. Modification of the substituent in position 5 resulted in analogues with high activity (EC(50)<100nM) and selectivity (SI>1000) against the pestivirus BVDV (bovine viral diarrhea virus).
Microreactors are emerging as an efficient, sustainable synthetic tool compared to conventional batch reactors. Here, we present a new numbering-up metal microreactor by integrating a flow distributor and a copper catalytic module for high productivity of a commercial synthetic drug.
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