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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1177613Generated: October 29, 2026

ethyl 1H-pyrazole-4-carboxylate → HCID 67111731, compound

https://huagongshe.com/reaction/1177613

Reaction equation

Participants

RoleNameHCIDCharge
Reactantethyl 1H-pyrazole-4-carboxylateHCID 142179—
Reactant2-Methylpropan-2-olateHCID 4574913—
ReactantHCID 67111838HCID 67111838—
SolventEthanolHCID 702—
ProductHCID 67111731HCID 67111731—

Reaction Conditions

Temperature70 °C

Reaction Steps

In a reactor tube was dissolved ethyl 4-pyrazolecarboxylate (0.0957 g, 0.683 mmol) methyl 4-imidazolecarboxylate (0.047 g, 0.37 mmol) in ethyl alcohol (2 mL). To this solution was added tert-butoxide (0.0656 g, 0.683 mmol) followed by 2-(4-(bromomethyl)-2-fluorophenyl)-5-(1-phenylcyclopropyl)thiazolo[5,4-b]pyridine (0.150 g, 0.341 mmol) and the reaction mixture was heated to 70° C. for 90 min. The solid observed was collected by filtration, rinsed with Et2O to afford ethyl 1-(3-fluoro-4-(5-(1-phenylcyclopropyl)thiazolo[5,4-b]pyridin-2-yl)benzyl)-1H-pyrazole-4-carboxylate. MS (ESI) m/z: calculated: 498.2; Observed: 499.0 (M++1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07842685B2
Source datasetuspto-grants-2010_11
ORD IDord-acc595be3ec9439bb280c53348f28fdd
Source noteuspto-grants-2010_11