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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 873817Generated: October 31, 2026

5-Amino-3-chloro-1-methyl-1,2-dihydropyridin-2-one → ethyl 4-((5-chloro-1-methyl-6-oxo-1,6-dihydropyridin-3-ylamino)(4-chlorophenyl)methyl)-1-cyclopropyl-5-methyl-1H-pyrazole-3-carboxylate

https://huagongshe.com/reaction/873817

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Amino-3-chloro-1-methyl-1,2-dihydropyridin-2-oneHCID 71756073—
Reactantethyl 4-((4-chlorophenyl)(hydroxy)methyl)-1-cyclopropyl-5-methyl-1H-pyrazole-3-carboxylateHCID 117702986—
SolventDichloromethane methanolHCID 21226129—
Productethyl 4-((5-chloro-1-methyl-6-oxo-1,6-dihydropyridin-3-ylamino)(4-chlorophenyl)methyl)-1-cyclopropyl-5-methyl-1H-pyrazole-3-carboxylateHCID 117702777—

Reaction Steps

The title compound was prepared in analogy to the procedure described in Step 10.3 using ethyl 4-((4-chlorophenyl)(hydroxy)methyl)-1-cyclopropyl-5-methyl-1H-pyrazole-3-carboxylate (Step 17.5) and 5-amino-3-chloro-1-methylpyridin-2(1H)-one (Step 5.2). tR: 4.81 min (HPLC 1); tR: 1.09 min (LC-MS 2); ESI-MS: 475/477 [M+H]+ (LC-MS 2); Rf=0.52 (CH2Cl2/MeOH 9:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975417B2
Source datasetuspto-grants-2015_03
ORD IDord-715238e9b0654175b351172a3d656318
Source noteuspto-grants-2015_03