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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1281808Generated: October 31, 2026

1-Methylpiperazine → HCID 18422197, compound

https://huagongshe.com/reaction/1281808

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
ReactantHCID 18422373HCID 18422373—
CatalystTitanium TetrachlorideHCID 24193—
SolventAnisoleHCID 7519—
ProductHCID 18422197HCID 18422197—

Reaction Steps

In the same manner as in Example 1 and using ethyl 2-(N-methyl-2-nitroanilino)benzo[b]thiophene-3-carboxylate (3.2 g), 1-methylpiperazine, anisole (80 ml) and titanium tetrachloride (3.5 ml), 6-methyl-12-(4-methylpiperazin-1-yl)[1]benzothieno[2,3-b][1,5]benzodiazepine (166 mg) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06455521B1
Source datasetuspto-grants-2002_09
ORD IDord-5dc06eb1e9a84c8fa48a98c93b5818fa
Source noteuspto-grants-2002_09