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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 237853Generated: November 1, 2026

Ethyl 4-methoxybut-2-ynoate → (S)-2-(4-Bicyclo[3.3.1]non-9-yl-phenoxymethyl)-5-methoxymethyl-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-one

https://huagongshe.com/reaction/237853

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-methoxybut-2-ynoateHCID 23249615—
Reactant(S)-5-(4-bicyclo[3.3.1]non-9-yl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamineHCID 68527534—
SolventChloroformHCID 6212—
Product(S)-2-(4-Bicyclo[3.3.1]non-9-yl-phenoxymethyl)-5-methoxymethyl-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-oneHCID 25069825—

Reaction Steps

The title compound was prepared from (S)-5-(4-bicyclo[3.3.1]non-9-yl-phenoxymethyl)-4,5-dihydro-oxazol-2-ylamine (see Example 20) and 4-methoxy-but-2-ynoic acid ethyl ester (see Example 106) employing the procedure described in Example 95. [α]D25 −14.55 (c 0.495, CHCl3).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642603B2
Source datasetuspto-grants-2014_02
ORD IDord-daacd1db593242bfa705f48feac2e4e0
Source noteuspto-grants-2014_02