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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 278328Generated: October 30, 2026

Ethyl{[4-(2-butynyloxy)phenyl]sulfonyl}acetate → 4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-1-(3-pentanyl)-piperidine-4-carboxylic acid ethyl ester

https://huagongshe.com/reaction/278328

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl{[4-(2-butynyloxy)phenyl]sulfonyl}acetateHCID 11335441—
ReactantBis-(2-chloro-ethyl)-(3-pentanyl)-amine dihydrochlorideHCID 87967657—
Product4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-1-(3-pentanyl)-piperidine-4-carboxylic acid ethyl esterHCID 5447855626%

Reaction Steps

4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-1-(3-pentanyl)-piperidine-4-carboxylic acid ethyl ester was was prepared according to the general method as outlined in example 1 (step 6), starting from ethyl{[4-(2-butynyloxy)phenyl]sulfonyl}acetate (8.8 g, 30.0 mmol) and bis-(2-chloro-ethyl)-(3-pentanyl)-amine dihydrochloride (7.4 g, 30 mmol), 3.5 g of product (brown oil) was isolated. Yield 26%; MS: 436 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06358980B1
Source datasetuspto-grants-2002_03
ORD IDord-e56e5a93bb37423f82ae652d95fb862e
Source noteuspto-grants-2002_03