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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 902394Generated: October 31, 2026

((2R)-8-(biphenyl-2-yl)-6-fluoro-2H-chromen-2-yl)methyl 4-methylbenzenesulfonate → ((2R)-8-(biphenyl-2-yl)-6-fluorochroman-2-yl)methyl 4-methylbenzenesulfonate

https://huagongshe.com/reaction/902394

Reaction equation

Participants

RoleNameHCIDCharge
Reactant((2R)-8-(biphenyl-2-yl)-6-fluoro-2H-chromen-2-yl)methyl 4-methylbenzenesulfonateHCID 86609153—
CatalystAdams' catalystHCID 345198—
SolventEthanolHCID 702—
SolventEthyl AcetateHCID 8857—
Product((2R)-8-(biphenyl-2-yl)-6-fluorochroman-2-yl)methyl 4-methylbenzenesulfonateHCID 8660915596%

Reaction Steps

Treatment of ((2R)-8-(biphenyl-2-yl)-6-fluoro-2H-chromen-2-yl)methyl 4-methylbenzenesulfonate (1.36 g, 2.79 mmol) with platinum (IV) oxide (84% Pt, 0.35 g) in ethanol (40 mL) and ethyl acetate (10 mL) according to the procedure described for Example 69, Step 8 provided 1.30 g (96%) of ((2R)-8-(biphenyl-2-yl)-6-fluorochroman-2-yl)methyl 4-methylbenzenesulfonate as an off-white solid. MS (ESI) m/z 489.2 ([M+H]+); m/z 506.2 ([M+NH4]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07365095B2
Source datasetuspto-grants-2008_04
ORD IDord-229dc3c1e9cf4b91bfb4d5e0db7b37e0
Source noteuspto-grants-2008_04