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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2220757Generated: October 31, 2026

Pyrazole → 4-Methyl-5-(2-chloro-benzoylamino)-1-(pyridine-2-yl)-pyrazole-3-carboxylic acid(2-oxo-5-phenyl-2,3-dihydro-1h-benzo[e][1,4]diazepin-3-yl)amide

https://huagongshe.com/reaction/2220757

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrazoleHCID 1048—
Reactant3-Amino-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-oneHCID 4259649—
Reactant2-Pyridone hydrazone dihydrochlorideHCID 6454398—
ReactantEthyl 3-cyano-3-methyl-2-oxopropanoateHCID 59223396—
Reactant5-Amino-1-tert-butoxycarbonyl-3-methoxycarbonylpyrazoleHCID 59773335—
Reactant5-amino-4-methyl-1-pyridin-2-yl-1H-pyrazole-3-carboxylic acid ethyl esterHCID 69151827—
Product4-Methyl-5-(2-chloro-benzoylamino)-1-(pyridine-2-yl)-pyrazole-3-carboxylic acid(2-oxo-5-phenyl-2,3-dihydro-1h-benzo[e][1,4]diazepin-3-yl)amideHCID 59812227—

Reaction Steps

The pyrazole acid, prepared as described in Procedure 8 using 5-amino-4-methyl-1-pyridin-2-yl-1H-pyrazole-3-carboxylic acid ethyl ester (prepared as described in Procedure 41 using 3-cyano-3-methyl-2-oxopropanoic acid ethyl ester (U.S. Pat. No. 4,652,669) and 2-hydrazinopyridine dihydrochloride (Aldrich, H1,710-4)) in place of compound 20, was coupled to 3-amino-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-2-one (prepared as described in Procedure 20) using the method of Procedure 10.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07417152B2
Source datasetuspto-grants-2008_08
ORD IDord-edec56cfb01d4b87a1b245b57887e5c0
Source noteuspto-grants-2008_08