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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1852774Generated: November 1, 2026

Potassium tert-butoxide → trans-4-benzyltetrahydro-2H-furo[3,4-b][1,4]oxazin-3(4H)-one

https://huagongshe.com/reaction/1852774

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium tert-butoxideHCID 23665647—
Reactanttrans-N-benzyl-2-chloro-N-(4-hydroxytetrahydrofuran-3-yl)acetamideHCID 86724520—
Solventtert-ButanolHCID 6386—
Producttrans-4-benzyltetrahydro-2H-furo[3,4-b][1,4]oxazin-3(4H)-oneHCID 86724521—

Reaction Conditions

Temperature25 °C

Reaction Steps

To a solution of trans-N-benzyl-2-chloro-N-(4-hydroxytetrahydrofuran-3-yl)acetamide (4.7 g, 17.4 mmol) in t-BuOH (40 mL) was added KOt-Bu (1.0 M in THF; 34.8 mL, 34.8 mmol) solution at 25° C. The reaction mixture was stirred at 25° C. for 2 hours and then the solvent was evaporated under reduced pressure. The residue was dissolved in water and extracted with EtOAc (100 mL). The organic extract was washed with brine (40 mL), dried over anhydrous Na2SO4, and concentrated under reduced pressure to afford trans-4-benzyltetrahydro-2H-furo[3,4-b][1,4]oxazin-3(4H)-one. MS APCI calc'd for C13H15NO3 [M+H]+ 234. found 234.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08962611B2
Source datasetuspto-grants-2015_02
ORD IDord-653ea6278d3a4619afa1c3c6718c7cc5
Source noteuspto-grants-2015_02