Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2092677Generated: October 26, 2026

Hydrochloric Acid → 2-(4-((R)-2,2,2-trifluoro-1-hydroxy-ethyl)phenyl)-2-aza-spiro[4.5]decane-1,8-dione

https://huagongshe.com/reaction/2092677

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant10-[(R)-4-(2,2,2-trifluoro-1-hydroxy-ethyl)-phenyl]-1,4-dioxa-10-aza-dispiro[4.2.4.2]tetradecan-9-oneHCID 58230103—
SolventTetrahydrofuranHCID 8028—
Product2-(4-((R)-2,2,2-trifluoro-1-hydroxy-ethyl)phenyl)-2-aza-spiro[4.5]decane-1,8-dioneHCID 58230045—

Reaction Steps

The title compound was prepared in analogy to example 133, step 5 from 10-[4-((R)-2,2,2-trifluoro-1-hydroxy-ethyl)-phenyl]-1,4-dioxa-10-aza-dispiro[4.2.4.2]tetradecan-9-one (4.09 g) by treatment with 2 M HCl (64 ml) in THF (127 ml) as a white solid. (4.06 g). MS (m/e): 342.130 [MH+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08440710B2
Source datasetuspto-grants-2013_05
ORD IDord-e0cd2a767fdc43ba845508fb574627f9
Source noteuspto-grants-2013_05