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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 237832Generated: October 25, 2026

Ethyl 4-fluorobut-2-ynoate → (S)-2-(4-tert-Butyl-phenoxymethyl)-5-fluoromethyl-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-one

https://huagongshe.com/reaction/237832

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-fluorobut-2-ynoateHCID 23234139—
Reactant(S)-5-(4-tert-butyl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamineHCID 67060987—
Product(S)-2-(4-tert-Butyl-phenoxymethyl)-5-fluoromethyl-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-oneHCID 59252519—

Reaction Steps

The title compound was prepared from (S)-5-(4-tert-butyl-phenoxymethyl)-4,5-dihydro-oxazol-2-yl-amine and 4-fluoro-but-2-ynoic acid ethyl ester (prepared in accordance with the procedures as described in Poulter, J Org Chem 1981, 46, 1532) according to the procedures employed for the preparation of the compound in Example 98.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642603B2
Source datasetuspto-grants-2014_02
ORD IDord-d2cfa0e10b9f48798ae5c4e02f9a63dc
Source noteuspto-grants-2014_02