methyl 1H-indazole-3-carboxylate → HCID 178422998, compound

HRID 2182344Notes

Reaction equation

HRID 2182344 reaction equation
[CH3:1][C:2]1[CH:3]=[C:4]([CH:7]=O)[NH:5][N:6]=1.[CH3:9][C:10]1[CH:11]=[C:12]([C:15](OCC)=O)[NH:13]N=1.N1C2[C:23](=CC=CC=2)[C:22]([CH:29]=O)=N1.[NH:31]1C2C(=CC=CC=2)C(C(OC)=O)=N1>>[CH3:29][C:22]1[C:10]([CH3:9])=[CH:11][C:12]2[NH:13][C:7]([C:4]3[NH:5][N:6]=[C:2]([CH3:1])[CH:3]=3)=[N:31][C:15]=2[CH:23]=1

Participants

5

Reactant 4

HCID 657476methyl 1H-indazole-3-carboxylateHCID 178427211HCID 178427211, compoundHCID 178469061HCID 178469061, compoundHCID 178520025HCID 178520025, compound

Product 1

HCID 178422998HCID 178422998, compound

Procedure

5-Methyl-2H-pyrazole-3-carboxaldehyde may be prepared from commercial ethyl 5-methyl-2H-pyrazole-3-carboxylate by following the procedure described for the preparation of 1H-indazole-3-carboxaldehyde, starting with methyl 3-indazolecarboxylate.

Sources & evidence

ORD record
ord-a5243008700a454ebade97d8b3ff1d91
Source dataset
uspto-grants-2005_05
Patent number
US06897208B2

Reaction notes

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