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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 331141Generated: October 27, 2026

Lawesson's reagent → (R)-5-(5-(3,6-dihydro-2H-pyran-4-yl)-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-1,4-oxazepane-3-thione

https://huagongshe.com/reaction/331141

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLawesson's reagentHCID 87949—
Reactant(R)-5-(5-(3,6-dihydro-2H-pyran-4-yl)-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-1,4-oxazepan-3-oneHCID 68380032—
Solvent1,4-DioxaneHCID 31275—
Product(R)-5-(5-(3,6-dihydro-2H-pyran-4-yl)-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-1,4-oxazepane-3-thioneHCID 8667187887%

Reaction Steps

The reaction of (R)-5-(5-(3,6-dihydro-2H-pyran-4-yl)-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-1,4-oxazepan-3-one (72 mg, 195 μmol) with Lawesson's reagent (79 mg, 195 μmol) in 1,4-dioxane (5 ml) yielded the (R)-5-(5-(3,6-dihydro-2H-pyran-4-yl)-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-1,4-oxazepane-3-thione (65 mg, 87% yield) as a white foam. MS (ISP): m/z=386.0 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877744B2
Source datasetuspto-grants-2014_11
ORD IDord-2ec9e33c1ecd4635bbb34d94172f6f9f
Source noteuspto-grants-2014_11