4-(4-chlorophenyl)-1-cyclopropyl-3-methyl-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one → tert-butyl (6-(4-(4-chlorophenyl)-1-cyclopropyl-3-methyl-6-oxopyrrolo[3,4-c]pyrazol-5(1H,4H,6H)-yl)-3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-yl)(methyl)carbamate

Participants

Reaction Steps

The title compound was prepared in analogy to the procedure described in Example 110 using 4-(4-chlorophenyl)-1-cyclopropyl-3-methyl-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one (Step 85.6) and tert-butyl (6-chloro-3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-yl)(methyl)carbamate (Step 112.5). tR: 5.60 min (HPLC 1); tR: 1.29 min (LC-MS 2); ESI-MS: 549 [M+H]+ (LC-MS 2); Rf=0.56 (CH2Cl2/MeOH 9:1); 1H NMR (400 MHz, DMSO-d6) δ ppm 1.03-1.09 (m, 2H) 1.19-1.25 (m, 2H) 1.43 (s, 9H) 1.90 (s, 3H) 2.52 (s, 3H) 3.44 (s, 3H) 3.79-3.88 (m, 1H) 6.45 (s, 1H) 7.33-7.38 (m, 2H) 7.43-7.48 (m, 2H) 8.30 (s, 1H).

Provenance & Evidence