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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 353543Generated: October 30, 2026

Methanol → HCID 69911779, compound

https://huagongshe.com/reaction/353543

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 23513835HCID 23513835—
SolventTetrahydrofuranHCID 8028—
ProductHCID 69911779HCID 69911779—

Reaction Steps

3-{[4-(2-butynyloxy)phenyl]sulfonyl}-1-ethyl-3-piperidinecarboxylic acid 3-{[4-(2-butynyloxy)phenyl]sulfonyl}-1-ethyl-3-piperidinecarboxylic acid was prepared starting from ethyl 3-{[4-(2-butynyloxy)phenyl]sulfonyl}-1-ethyl-3-piperidinecarboxylate (3.2 g, 8.0 mmol) dissolved in THF:Methanol (15:25 ml) and NaOH (15 ml). The resulting reaction mixture was worked up as outlined in example 1 (step 7). Yield 2.11 g (71%), white solid: mp 159.2° C.; MS (ES): m/z 366.3 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06753337B2
Source datasetuspto-grants-2004_06
ORD IDord-52627366fdde49e981c4fb88201c013d
Source noteuspto-grants-2004_06