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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 69847Generated: October 26, 2026

4-Chloro-3-nitroanisole → Tert-butyl 4-(4-methoxy-2-nitro phenyl)piperazine-1-carboxylate

https://huagongshe.com/reaction/69847

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloro-3-nitroanisoleHCID 25140—
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductTert-butyl 4-(4-methoxy-2-nitro phenyl)piperazine-1-carboxylateHCID 6904338450%

Reaction Steps

Method 1 was followed using 4-chloro-3-nitroanisole (1.0 eq), 1-Boc-piperazine (1.2 eq), and TEA (2.0 eq) in NMP at 100° C. for 16 hours yielding tert-butyl 4-(4-methoxy-2-nitro phenyl)piperazine-1-carboxylate (50%). LCMS (m/z): 338.2 (MH+); LC Rt=3.37 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08822497B2
Source datasetuspto-grants-2014_09
ORD IDord-7e48c55b25b54539b5ea005c80ce382d
Source noteuspto-grants-2014_09