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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1452533Generated: October 30, 2026

Dimethyl Sulfate → (R)-3-methoxydihydro-2H-pyran-4(3H)-one

https://huagongshe.com/reaction/1452533

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfateHCID 6497—
Reactant4,4-Dimethoxytetrahydro-2H-pyran-3-olHCID 12190988—
ReactantSodium t-butoxideHCID 23676156—
SolventTetrahydrofuranHCID 8028—
Product(R)-3-methoxydihydro-2H-pyran-4(3H)-oneHCID 11320949—

Reaction Steps

reacting said 4,4-dimethoxytetrahydro-2H-pyran-3-ol in the presence of THF, NaOt-Bu, Me2SO4, and an acid to form (3R)-3-methoxytetrahydro-4H-pyran-4-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07473696B2
Source datasetuspto-grants-2009_01
ORD IDord-31bb9e50772947e481a40a3b35fdad22
Source noteuspto-grants-2009_01