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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 240685Generated: October 25, 2026

tert-Butyl pyrazolidine-1-carboxylate → t-Butyl 2-[(5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)-3-pyridinyl)carbonyl]-pyrazolidine-1-carboxylate

https://huagongshe.com/reaction/240685

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl pyrazolidine-1-carboxylateHCID 21857793—
Reactant5-(4-Chloro-phenyl)-6-(2,2,2-trifluoro-ethoxy)-nicotinic acidHCID 66686971—
Productt-Butyl 2-[(5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)-3-pyridinyl)carbonyl]-pyrazolidine-1-carboxylateHCID 71294447—

Reaction Steps

The title compound was synthesized in analogy to Example 1 using 5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)-3-pyridinecarboxylic acid (CAN 1018782-82-5) and 1-pyrazolidinecarboxylic acid 1,1-dimethylethyl ester (CAN 57699-91-9) as starting materials; MS (EI) 486.2 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08648099B2
Source datasetuspto-grants-2014_02
ORD IDord-13ad7180d565474e85d2285da3b37b3a
Source noteuspto-grants-2014_02