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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 878401Generated: October 30, 2026

Pyridine → HCID 5706450, compound

https://huagongshe.com/reaction/878401

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantTrifluoroacetic anhydrideHCID 9845—
ReactantHCID 69402574HCID 69402574—
SolventDiethyl EtherHCID 3283—
ProductHCID 5706450HCID 5706450—

Reaction Steps

To a solution of ethyl N-[(benzyloxy)carbonyl]-3,3,3-trifluoro-2-hydroxyalaninate (2690 g, 8.39 mol) in diethyl ether (18 L) under an atmosphere of nitrogen was added dropwise 2,2,2-trifluoroacetyl 2,2,2-trifluoroacetate (1937 g, 9.22 mol) at 0° C. followed by the addition of pyridine dropwise (1457 g, 18.44 mol) at 0° C. The reaction mixture was allowed to warm to ambient temperature. After 6 hours, the reaction mixture was filtered, and the filtrate was concentrated under reduced pressure to afford ethyl (2E)-2-{[(benzyloxy)carbonyl]imino}-3,3,3-trifluoropropanoate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987456B2
Source datasetuspto-grants-2015_03
ORD IDord-adedade20fdd42ac842fd194f739c1fa
Source noteuspto-grants-2015_03