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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1893742Generated: October 25, 2026

1-(4-Fluorophenyl)piperazine → Methyl {8-fluoro-2-[4-(4-fluorophenyl)-1-piperazinyl]-3-[6-methoxy-3-chlorophenyl]-3,4-dihydro-4-quinazolinyl}acetate

https://huagongshe.com/reaction/1893742

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(4-Fluorophenyl)piperazineHCID 75260—
Reactant4-Chloro-2-isocyanato-1-methoxybenzeneHCID 144009—
ReactantMethyl (2E)-3-{3-fluoro-2-[(triphenylphosphoranylidene)amino]phenyl}propenoateHCID 11983908—
ProductMethyl {8-fluoro-2-[4-(4-fluorophenyl)-1-piperazinyl]-3-[6-methoxy-3-chlorophenyl]-3,4-dihydro-4-quinazolinyl}acetateHCID 58824015—

Reaction Steps

Starting with 1.0 g (2.2 mmol) of the iminophosphorane from Example 10A, 423 mg (2.31 mmol) of 2-methoxy-5-chlorophenyl isocyanate and 396 mg (2.2 mmol) of 4-fluorophenylpiperazine, 621 mg (52% of theory) of product are obtained after purification by preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08513255B2
Source datasetuspto-grants-2013_08
ORD IDord-91c896d0f42a4a7e8da0b73570924ce3
Source noteuspto-grants-2013_08