Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1930696Generated: October 31, 2026

Acetic Acid → 3-(2-(3-methoxyphenyl)acetyl)dihydro-2H-pyran-4(3H)-one

https://huagongshe.com/reaction/1930696

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantTetrahydro-4H-pyran-4-oneHCID 121599—
Reactant3-Methoxyphenylacetyl chlorideHCID 2733246—
ReactantLithium HexamethyldisilazideHCID 2733832—
SolventWaterHCID 962—
SolventTolueneHCID 1140—
Product3-(2-(3-methoxyphenyl)acetyl)dihydro-2H-pyran-4(3H)-oneHCID 5933378846.2%

Reaction Conditions

Temperature0 °C

Reaction Steps

Tetrahydro-4H-pyran-4-one (0.138 mL, 1.50 mmol) was dissolved in toluene (1 mL) and cooled to 0° C. LHMDS (1.573 mL, 1.57 mmol) was added. 3-Methoxyphenylacetyl chloride (0.117 mL, 0.75 mmol) was added after 2 minutes. After 5 minutes, acetic acid (0.129 mL, 2.25 mmol) and water was added. The organic phase was separated and the crude product was purified by flash column chromatography (EtOAc 0-40% in heptane) yielding 3-(2-(3-methoxyphenyl)acetyl)dihydro-2H-pyran-4(3H)-one (86 mg, 46%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08188101B2
Source datasetuspto-grants-2012_05
ORD IDord-6f161a35a68f4b3a839972ed7cc52b1c
Source noteuspto-grants-2012_05