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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 545353Generated: October 29, 2026

1-Benzyl-1H-pyrazole-4-carboxylic acid → 3-(1-Benzyl-1H-pyrazol-4-yl)-2-[cyclopropyl-(4-trifluoromethoxy-benzoyl)-amino]-3-oxo-propionic acid ethyl ester

https://huagongshe.com/reaction/545353

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Benzyl-1H-pyrazole-4-carboxylic acidHCID 6483876—
Reactant[Cyclopropyl-(4-trifluoromethoxy-benzoyl)-amino]-acetic acid ethyl esterHCID 67133328—
Product3-(1-Benzyl-1H-pyrazol-4-yl)-2-[cyclopropyl-(4-trifluoromethoxy-benzoyl)-amino]-3-oxo-propionic acid ethyl esterHCID 67133047—

Reaction Steps

The title compound, a colorless oil (0.9 g, 41%), was prepared in analogy to intermediate 8A by reaction of [cyclopropyl-(4-trifluoromethoxy-benzoyl)-amino]-acetic acid ethyl ester (intermediate 7B) with 1-benzyl-1H-pyrazole-4-carboxylic acid (Kalla R. V.; Elzein E.; Perry T.; Li X.; Palle V.; Varkhedkar V.; Gimbel A.; Maa T.; Zeng D.; Zablocki J. Journal of Medicinal Chemistry (2006), 49(12), 3682-92).MS: 516.1 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07935707B2
Source datasetuspto-grants-2011_05
ORD IDord-c6ae78aa6a0048c2b5379c19ed22b278
Source noteuspto-grants-2011_05