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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 238445Generated: October 30, 2026

Acetic Acid → 1-Isopropyl-4-(5-nitro-2-pentafluoroethyl-phenoxymethyl)-piperidine

https://huagongshe.com/reaction/238445

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantAcetoneHCID 180—
ReactantSodium triacetoxyborohydrideHCID 5049666—
Reactant4-(3-Nitro-6-pentafluoroethyl-phenoxymethyl)-piperidineHCID 21959389—
Solvent1,2-DichloroethaneHCID 11—
Product1-Isopropyl-4-(5-nitro-2-pentafluoroethyl-phenoxymethyl)-piperidineHCID 21959478—

Reaction Steps

Dissolved 4-(5-nitro-2-pentafluoroethyl-phenoxymethyl)-piperidine (646 mg) in 1,2-dichloroethane (6.4 ml), then added acetone (136 ul), NaBH(OAc)3 (541 mg) and finally acetic acid (105 ul). Stirred the cloudy yellow solution under N2 at RT overnight. Added another 130 uL acetone and stirred at RT over weekend. Quenched the reaction with 30 mL N NaOH/H2O and stirred 10 min. Extracted with Et2O and the organic layer was brine-washed, dried over Na2SO4, filtered and concentrated in vacuo. Dried under high vacuum for several h to obtain 1-isopropyl-4-(5-nitro-2-pentafluoroethyl-phenoxymethyl)-piperidine as a yellow orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642624B2
Source datasetuspto-grants-2014_02
ORD IDord-9702240d5b11454489876378d4e9e952
Source noteuspto-grants-2014_02