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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1292434Generated: October 27, 2026

6,7-Dichloro-1,2,3,4-tetrahydro-4-oxo-1-naphthoyl chloride → 1-(6,7-Dichloro-1,2,3,4-tetrahydro-4-oxo-1-naphthoyl)-4-methyl-2-(pyrrolidin-1-ylmethyl)piperazine dihydrochloride

https://huagongshe.com/reaction/1292434

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6,7-Dichloro-1,2,3,4-tetrahydro-4-oxo-1-naphthoyl chlorideHCID 15342871—
Reactant1-Methyl-3-(pyrrolidin-1-ylmethyl)piperazine trihydrochlorideHCID 18915109—
SolventTriethylamineHCID 8471—
Product1-(6,7-Dichloro-1,2,3,4-tetrahydro-4-oxo-1-naphthoyl)-4-methyl-2-(pyrrolidin-1-ylmethyl)piperazine dihydrochlorideHCID 18915130108.3%

Reaction Steps

The procedure described in Example 24 was repeated, but using 1.0 g of 1-methyl-3-(pyrrolidin-1-ylmethyl)piperazine trihydrochloride, 2.1 ml of triethylamine and 1.0 g of 6,7-dichloro-1,2,3,4-tetrahydro-4-oxo-1-naphthoyl chloride, to afford 0.97 g of the title compound, melting at 275°-278° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05756730
Source datasetuspto-grants-1998_05
ORD IDord-b4fc0747ff694592a845442080d8ffd0
Source noteuspto-grants-1998_05