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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1292432Generated: October 26, 2026

1-Methyl-3-(pyrrolidin-1-ylmethyl)piperazine trihydrochloride → 4-Methyl-1-(3-oxoindan-1-carbonyl)-2-(pyrrolidin-1-ylmethyl)piperazine dihydrochloride

https://huagongshe.com/reaction/1292432

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-3-(pyrrolidin-1-ylmethyl)piperazine trihydrochlorideHCID 18915109—
Reactant3-Oxoindan-1-carbonyl chlorideHCID 21820519—
SolventTriethylamineHCID 8471—
Product4-Methyl-1-(3-oxoindan-1-carbonyl)-2-(pyrrolidin-1-ylmethyl)piperazine dihydrochlorideHCID 1891514931.9%

Reaction Steps

The procedure described in Example 24 was repeated, but using 3.21 g of 1-methyl-3-(pyrrolidin-1-ylmethyl)piperazine trihydrochloride, 6.9 ml of triethylamine and 4.5 g of 3-oxoindan-1-carbonyl chloride, to afford 1.45 g of the title compound, melting at 252°-255° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05756730
Source datasetuspto-grants-1998_05
ORD IDord-1797d2e9daf74c999c5c2f41f6d45b7f
Source noteuspto-grants-1998_05