62254-74-4, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In a patent, 62254-74-4, molecular formula is C5H5NO2, introducing its new discovery.
ACYL DIHYDRO PYRROLE DERIVATIVES AS HCV INHIBITORS
Novel anti-viral agents of Formula (I) in which: A represents hydroxy; D represents aryl or heteroaryl; E represents hydrogen, C1-6alkyl, aryl, heteroaryl or heterocyclyl; G represents hydrogen or C1-6alkyl optionally substituted by one or more substituents selected from halo, OR1, SR1, C(O)NR2R3, CO2H, C(O)R4, CO2R4, NR2R3, NHC(O)R4, NHCO2R4, NHC(O)NR5R6, SO2NR5R6, SO2R4, nitro, cyano, aryl, heteroaryl and heterocyclyl; R1 represents hydrogen, C1-6alkyl, arylalkyl, or heteroarylalkyl; R2 and R3 are independently selected from hydrogen, C1-6alkyl, aryl and heteroaryl; or R2 and R3 together with the nitrogen atom to which they are attached form a 5 or 6 membered saturated cyclic group; R4 is selected from the group consisting of C1-6alkyl, aryl, heteroaryl, arylalkyl, and heteroarylalkyl; R5 and R6 are independently selected from the group consisting of hydrogen, C1-6alkyl, aryl, heteroaryl, arylalkyl, and heteroarylalkyl; or R5 and R6 together with the nitrogen atom to which they are attached form a 5 or 6 membered saturated cyclic group; and J represents C1-6alkyl, heterocyclylalkyl, arylalkyl or heteroarylalkyl; and salts, solvates and esters thereof; provided that when A is esterified to form -OR where R is selected from straight or branched chain alkyl, aralkyl, aryloxyalkyl, or aryl, then R is other than tert-butyl; processes for their preparation, pharmaceutical compositions comprising them, and methods of using them in HCV treatment are provided.
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Reference£º
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem