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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 237846Generated: October 30, 2026

4-Hydroxy-4-methyl-pent-2-ynoic acid ethyl ester → (S)-2-(4-Cyclohexyl-phenoxymethyl)-5-(1-hydroxy-1-methyl-ethyl)-2,3-dihydro oxazolo[3,2-a]pyrimidin-7-one

https://huagongshe.com/reaction/237846

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydroxy-4-methyl-pent-2-ynoic acid ethyl esterHCID 11228926—
Reactant(S)-5-(4-cyclohexyl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamineHCID 66875140—
Product(S)-2-(4-Cyclohexyl-phenoxymethyl)-5-(1-hydroxy-1-methyl-ethyl)-2,3-dihydro oxazolo[3,2-a]pyrimidin-7-oneHCID 25073305—

Reaction Steps

The title compound was prepared from (S)-5-(4-cyclohexyl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamine and 4-hydroxy-4-methyl-pent-2-ynoic acid ethyl ester employing the procedure described in Example 105.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642603B2
Source datasetuspto-grants-2014_02
ORD IDord-0e1180f4583148c28a53665811847086
Source noteuspto-grants-2014_02