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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 636713Generated: October 29, 2026

5-hydroxy-8-methoxy-3,4-dihydro-2H-naphthalen-1-one → HCID 21255658, compound

https://huagongshe.com/reaction/636713

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-hydroxy-8-methoxy-3,4-dihydro-2H-naphthalen-1-oneHCID 10997855—
SolventTrifluoroacetic acidHCID 6422—
ProductHCID 21255658HCID 21255658101.5%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a cooled (0° C.), stirred solution of 5-hydroxy-8-methoxy-3,4-dihydro-2H-naphthalen-1-one (1.7 g) in trifluoroacetic acid (20 mL) triethylsilane (4.2 mL) was added and the reaction warmed to RT and then stirred for 1.5 h). The reaction mixture was concentrated in vacuo, partitioned between ethyl acetate/water, the organic layer was washed with water, brine, and then dried over sodium sulfate and concentrated in vacuo. The resulting oil is flash chromatographed (10% ethyl acetate/hexanes) to afford the title compound as a colorless solid (1.6 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06194454B1
Source datasetuspto-grants-2001_02
ORD IDord-6176022d31614c67844137558d757a14
Source noteuspto-grants-2001_02