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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1976398Generated: October 31, 2026

4-But-2-ynyloxy-benzenesulfonyl chloride → HCID 44404794, compound

https://huagongshe.com/reaction/1976398

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-But-2-ynyloxy-benzenesulfonyl chlorideHCID 11195928—
Reactant1-tert-Butyl 3-ethyl piperazine-1,3-dicarboxylateHCID 11402671—
ProductHCID 44404794HCID 4440479472%

Reaction Steps

According to the procedure of Example 51, 1.55 g (5.99 mmol) of the product of Example 50 and 1.61 g (6.59 mmol) of 4-but-2-ynyloxy-benzenesulfonyl chloride provided 1.96 g (72%) of the sulfonamide as a white solid. Electrospray Mass Spec 467.0 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06225311B1
Source datasetuspto-grants-2001_05
ORD IDord-6f590a17d4a74503b01bdbed8d5d9b4d
Source noteuspto-grants-2001_05