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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 349166Generated: October 28, 2026

Trifluoroacetic acid → 4-(2-Ethoxycarbonyloxy-1-fluoro-ethylidene)-piperidine

https://huagongshe.com/reaction/349166

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantHCID 58804084HCID 58804084—
ReactantHCID 86041788HCID 86041788—
SolventDichloromethaneHCID 6344—
Product4-(2-Ethoxycarbonyloxy-1-fluoro-ethylidene)-piperidineHCID 58804101—

Reaction Steps

4-(1-Chloro-2-propenylidene)piperidine TFA salt (110; Scheme XXIX) To compound 109 (0.1415 g, 0.5489 mmol) in CH2Cl2 (5 mL) was added TFA (0.55 mL, 7.1 mmols) and the mixture stirred for 3 hrs whereupon all volatile materials were removed in vacuo. The crude title compound so obtained was used without further purification. MS 158 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07179805B2
Source datasetuspto-grants-2007_02
ORD IDord-0d82fb1f3e1a42f9ae59b557e388aa08
Source noteuspto-grants-2007_02