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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1402143Generated: October 27, 2026

ethyl 3-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoate → 3-[3-tert-Butyl-5-(2,2,2-trichloro-ethoxycarbonylamino)-pyrazol-1-yl]-benzoic acid ethyl ester

https://huagongshe.com/reaction/1402143

Reaction equation

Participants

RoleNameHCIDCharge
Reactantethyl 3-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoateHCID 21867322—
Reactant[5-tert-Butyl-2-(3-hydroxymethyl-phenyl)-2H-pyrazol-3-yl]-carbamic acid 2,2,2-trichloro-ethyl esterHCID 86687007—
Product3-[3-tert-Butyl-5-(2,2,2-trichloro-ethoxycarbonylamino)-pyrazol-1-yl]-benzoic acid ethyl esterHCID 86687008—

Reaction Steps

The title compound was prepared from Intermediate 29a using an analogous procedure to that described for Intermediate 29c. LCMS (Method 3): Rt 4.67 min, m/z 462, 464 [MH+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08907094B2
Source datasetuspto-grants-2014_12
ORD IDord-1af3bd99af1342c594368fdfb495bad1
Source noteuspto-grants-2014_12