3-Hydrazinyl-2-methoxypyridine → 4-(4-chlorophenyl)-5-(4-methoxybenzyl)-1-(2-methoxypyridin-3-yl)-3-methyl-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one

HRID 873927Notes

Reaction equation

HRID 873927 reaction equation
[C:1]([C:4]1[CH:8]([C:9]2[CH:14]=[CH:13][C:12]([Cl:15])=[CH:11][CH:10]=2)[N:7]([CH2:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][CH3:24])=[CH:19][CH:18]=2)[C:6](=[O:25])[C:5]=1O)(=O)[CH3:2].[NH:27]([C:29]1[C:30]([O:35][CH3:36])=[N:31][CH:32]=[CH:33][CH:34]=1)[NH2:28]>CCCCCC.CCOC(C)=O>[Cl:15][C:12]1[CH:13]=[CH:14][C:9]([CH:8]2[C:4]3[C:1]([CH3:2])=[N:28][N:27]([C:29]4[C:30]([O:35][CH3:36])=[N:31][CH:32]=[CH:33][CH:34]=4)[C:5]=3[C:6](=[O:25])[N:7]2[CH2:16][C:17]2[CH:18]=[CH:19][C:20]([O:23][CH3:24])=[CH:21][CH:22]=2)=[CH:10][CH:11]=1

Participants

4

Reactant 2

HCID 445425503-Hydrazinyl-2-methoxypyridineHCID 1177028964-acetyl-5-(4-chlorophenyl)-3-hydroxy-1-[(4-methoxyphenyl)methyl]-2,5-dihydro-1H-pyrrol-2-one

Product 1

HCID 1177027704-(4-chlorophenyl)-5-(4-methoxybenzyl)-1-(2-methoxypyridin-3-yl)-3-methyl-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one

Reagents, catalysts & solvents 1

HCID 21226206Ethyl acetate hexaneSolvent

Procedure

The title compound was prepared in analogy to the procedure described in Example 57 using 4-acetyl-5-(4-chlorophenyl)-3-hydroxy-1-(4-methoxybenzyl)-1H-pyrrol-2(5H)-one (Step 71.2) and 3-hydrazinyl-2-methoxypyridine (Step 71.1). tR: 5.79 min (HPLC 1); tR: 1.29 min (LC-MS 2); ESI-MS: 475 [M+H]+ (LC-MS 2); Rf=0.60 (hexane/EtOAc 1:1).

Sources & evidence

ORD record
ord-08492a24f16d436fa24a1211189fc6b9
Source dataset
uspto-grants-2015_03
Patent number
US08975417B2

Reaction notes

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