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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 340055Generated: October 25, 2026

tert-Butyl (2S)-2-methylpiperazine-1-carboxylate → HCID 178436931, compound

https://huagongshe.com/reaction/340055

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl (2S)-2-methylpiperazine-1-carboxylateHCID 10081508—
ReactantHCID 178436919HCID 178436919—
ProductHCID 178436931HCID 17843693125.8%

Reaction Steps

The title compound was prepared from (5-chloropyrazin-2-yl)(2-(6-(2-ethyl-5-fluoro-4-hydroxyphenyl)-1H-indazol-3-yl)-6,7-dihydro-1H-imidazo[4,5-c]pyridin-5(4H)-yl)methanone (200 mg, 386 μmol) and (S)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester (155 mg, 773 μmol) using the method from Example 61. After purification by HPLC Method E and deprotection using HCl/dioxan, the title compound (58 mg, 25% yield over two steps) was obtained as off-white solid (HCl-salt).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08895544B2
Source datasetuspto-grants-2014_11
ORD IDord-52f99fcbc8cf4cacbb8ee6b8b4f5c0ff
Source noteuspto-grants-2014_11