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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 404557Generated: October 26, 2026

2,3-Dichloropyridine → 1-(3-Chloropyridin-2-yl)-3-methylpiperazine

https://huagongshe.com/reaction/404557

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-DichloropyridineHCID 16988—
Reactant2-Methylpiperazine, (R)-HCID 7330434—
Reactant3-(Trimethylsilyl)anilineHCID 12488883—
Product1-(3-Chloropyridin-2-yl)-3-methylpiperazineHCID 2272756193.2%

Reaction Steps

Compound A-10 can be synthesized according to method 1. Just of Scheme 1, R1 is —Cl; R2 is -Me; R3 is m-SiMe3. More specifically, compound 1 is 2,3-dichloro pyridine (6 g); compound 2 is (R)-2-methyl piperazine; the synthesized compound 3 is 3-methyl-1-(3-chloro-2-pyridyl)piperazine (8 g, yield about 93.2%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08748610B2
Source datasetuspto-grants-2014_06
ORD IDord-0522742437e24775abbfde8d0b3added
Source noteuspto-grants-2014_06