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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1055396Generated: October 30, 2026

HCID 90039259, compound → HCID 90037993, compound

https://huagongshe.com/reaction/1055396

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 90039259HCID 90039259—
CatalystPalladium hydroxideHCID 9942167—
SolventMethanolHCID 887—
ProductHCID 90037993HCID 9003799398.2%

Reaction Conditions

Temperature40 °C

Reaction Steps

3-(Dibenzylamino)-8,9-difluoro-2′,3′,5′,6′-tetrahydro-3H-spiro[benzo[b][1,4]oxazepine-2,4′-pyran]-4(5H)-one (100 mg, 215 μmol, Eq: 1.00) was added to MeOH (10 mL) and the mixture warmed 40° C. to give a light yellow suspension. 20% Pd(OH)2/C (100 mg, 215 μmol, Eq: 1.00) was added, the mixture was degassed and stirred at RT under H2 for 6.5 h. The mixture was filtered through Celite and concentrated under reduced pressure to afford 3-amino-8,9-difluoro-2′,3′,5′,6′-tetrahydro-3H-spiro[benzo[b][1,4]oxazepine-2,4′-pyran]-4(5 h)-one (60 mg, 98% yield) as colorless oil which was used without purification. MS m/z 285.0 (MH+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09394263B2
Source datasetuspto-grants-2016_07
ORD IDord-47085b71a67e441688c276ba5720f518
Source noteuspto-grants-2016_07