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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730856Generated: October 30, 2026

Pyridine, 2,3,5-trichloro- → (3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazine

https://huagongshe.com/reaction/730856

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridine, 2,3,5-trichloro-HCID 27666—
Reactant2-Methylpiperazine, (R)-HCID 7330434—
Product(3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazineHCID 67402021—

Reaction Steps

2,3,5-Trichloro-pyridine (910 mg, 5.0 mmol, Aldrich) and (R)-(−)-2-methyl-piperazine (700 mg, 7.0 mmol, Aldrich) reacted under the conditions of Example 3a to give the title compound as a light-yellow solid. MS (ESI, pos. ion) m/z: 247 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-231e01cfcf4e4e48adef34930f4cf57d
Source noteuspto-grants-2009_09