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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 69850Generated: October 26, 2026

4-Fluoro-3-nitrotoluene → Tert-butyl 4-(4-methyl-2-nitrophenyl)piperazine-1-carboxylate

https://huagongshe.com/reaction/69850

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluoro-3-nitrotolueneHCID 136287—
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
ProductTert-butyl 4-(4-methyl-2-nitrophenyl)piperazine-1-carboxylateHCID 6904283590%

Reaction Steps

Method 1 was followed using 4-fluoro-3-nitrotoluene (1.0 eq), 1-Boc-piperazine (1.2 eq), and TEA (1.5 eq) at 55° C. for 48 hours yielding tert-butyl 4-(4-methyl-2-nitrophenyl)piperazine-1-carboxylate (90%). LCMS (m/z): 322.1 (MH+); LC Rt=3.46 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08822497B2
Source datasetuspto-grants-2014_09
ORD IDord-c2b6f359588845eba37b20a1ff46b855
Source noteuspto-grants-2014_09