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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 991666Generated: November 2, 2026

2-(Pyridin-3-yloxy)ethan-1-ol → PRX933 hydrochloride

https://huagongshe.com/reaction/991666

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(Pyridin-3-yloxy)ethan-1-olHCID 21908997—
Reactant(R)-tert-butyl 4-(3-chloropyrazin-2-yl)-3-methylpiperazine-1-carboxylateHCID 86591091—
ProductPRX933 hydrochlorideHCID 131723551—

Reaction Steps

The title compound was prepared starting from 2-(3-pyridyloxy)ethanol (from Example 150, Step 1) and 3-chloro-2-[4-tert-butoxycarbonyl-(2R)-methyl-1-piperazinyl]pyrazine (from Example 172, Step 2). The pure free base was precipitated as its hydrochloride salt with HCl/ether to give the title compound as white crystals: yield 31%; mp 180-183° C.; HRMS m/z calcd for C16H21N5O2 (M)+ 315.1695, found 315.1689. Anal. (C16H21N5O2.1.33HCl) C, H, N.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06465467B1
Source datasetuspto-grants-2002_10
ORD IDord-97b44900692144ac8dad4aeb04497f7b
Source noteuspto-grants-2002_10