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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1778121Generated: November 1, 2026

2,2-diethoxy-1-(5-(2-(tetrahydro-2H-pyran-2-yloxy)propan-2-yl)-2-thioxo-1,3-dithiol-4-yl)ethanone → 4-(Diethoxymethyl)-4-hydroxy-6,6-dimethyl-4,6-dihydro-[1,3]dithiolo[4,5-c]furan-2-thione

https://huagongshe.com/reaction/1778121

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,2-diethoxy-1-(5-(2-(tetrahydro-2H-pyran-2-yloxy)propan-2-yl)-2-thioxo-1,3-dithiol-4-yl)ethanoneHCID 86671375—
SolventDichloromethaneHCID 6344—
Product4-(Diethoxymethyl)-4-hydroxy-6,6-dimethyl-4,6-dihydro-[1,3]dithiolo[4,5-c]furan-2-thioneHCID 86671376—

Reaction Steps

10 mg (0.024 mmol) of 2,2-diethoxy-1-(5-(2-(tetrahydro-2H-pyran-2-yloxy)propan-2-yl)-2-thioxo-1,3-dithiol-4-yl)ethanone 5 was dissolved in 5 mL of CH2Cl2 containing 0.1 mL CF3COOH. The reaction mixture was stirred for 12 hours, washed with 20 mL of saturated solution of NaHCO3 and, the organic layer was separated and dried in vacuum to yield the target compound 4 as a solid material. Yield: 7.2 mg (0.02 mmol, 90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09266889B2
Source datasetuspto-grants-2016_02
ORD IDord-2514b8486c2a49df90943e67ee732216
Source noteuspto-grants-2016_02