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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255284Generated: October 25, 2026

Triethylamine → tert-Butyl 4-(3-((methylsulfonyl)oxy)propyl)piperazine-1-carboxylate

https://huagongshe.com/reaction/255284

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant1-Boc-4-(3-hydroxypropyl)piperazineHCID 16217800—
Reactant2-(4-((Tert-butoxycarbonyl)amino)piperidin-1-yl)ethyl methanesulfonateHCID 56834478—
Producttert-Butyl 4-(3-((methylsulfonyl)oxy)propyl)piperazine-1-carboxylateHCID 15540662—

Reaction Steps

tert-Butyl 4-(3-hydroxypropyl)piperazine-1-carboxylate (Intermediate 121, 2.38 g, 9.8 mmol) was reacted with methanesulfonyl chloride (0.91 mL, 11.7 mmol) in the presence of triethylamine (1.9 mL, 13.7 mmol) as described for Intermediate 6. The crude product was used without further purification for the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875715B2
Source datasetuspto-grants-2011_01
ORD IDord-28da9072f3a04482a2ae44ea01145da6
Source noteuspto-grants-2011_01