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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1986047Generated: November 1, 2026

Hydrochloric Acid → HCID 67046027, compound

https://huagongshe.com/reaction/1986047

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethyl azodicarboxylateHCID 5462977—
ReactantHCID 11695979HCID 11695979—
SolventTolueneHCID 1140—
ProductHCID 67046027HCID 67046027—

Reaction Conditions

Temperature110 °C

Reaction Steps

A mixture of 4-(4-chloro-3-trifluoromethyl-phenoxy)-1,2,2,6,6-pentamethyl-piperidine (1.28 g, 4.26 mmol), toluene (50 ml) and diethylazodicarboxylate (2.0 ml, 12.8 mmol) was heated at 110° C. for 8 h. Hydrochloric acid (20 ml, 2 M) was added at reflux for 2 h. The mixture was cooled on ice. The hydrochloric acid salt precipitated and was isolated by filtration. Yield 1.2 g (87%). Mp 222° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07547788B2
Source datasetuspto-grants-2009_06
ORD IDord-6da61c5fe2984d21963747daee4acc2b
Source noteuspto-grants-2009_06