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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1443812Generated: October 26, 2026

N-(3-methoxyphenyl)piperazine → Methyl {2-[4-(3-methoxyphenyl)piperazin-1-yl]-3-[3-(trifluoromethyl)phenyl]-3,4-dihydropyrido[3,4-d]pyrimidin-4-yl}acetate

https://huagongshe.com/reaction/1443812

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(3-methoxyphenyl)piperazineHCID 81430—
ReactantMethyl (2E)-3-{3-[({[3-(trifluoromethyl)phenyl]imino}methylene)amino]pyridin-4-yl}acrylateHCID 86620420—
ProductMethyl {2-[4-(3-methoxyphenyl)piperazin-1-yl]-3-[3-(trifluoromethyl)phenyl]-3,4-dihydropyrido[3,4-d]pyrimidin-4-yl}acetateHCID 59168068—

Reaction Steps

Starting from 250 mg (0.34 mmol) of the carbodiimide from Example 17A and 69 mg (0.36 mmol) of 3-methoxyphenylpiperazine, general procedure [C] and purification by preparative HPLC result in 90 mg (46% of theory) of product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07662822B2
Source datasetuspto-grants-2010_02
ORD IDord-f3202e2cc82f4dfbb55d5592c78a9e0b
Source noteuspto-grants-2010_02