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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 245460Generated: November 1, 2026

1-Methylpiperazin-2-one--hydrogen chloride (1/1) → 4-(5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carbonyl)-1-methylpiperazin-2-one

https://huagongshe.com/reaction/245460

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methylpiperazin-2-one--hydrogen chloride (1/1)HCID 17060766—
Reactantethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylateHCID 67357675—
Product4-(5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carbonyl)-1-methylpiperazin-2-oneHCID 67357466—

Reaction Steps

Starting materials: Ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate (Intermediate 204) and 1-methylpiperazin-2-one hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08658641B2
Source datasetuspto-grants-2014_02
ORD IDord-1e0c1ebf980a4c71b3e1742fb3e2300c
Source noteuspto-grants-2014_02