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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 598770Generated: October 30, 2026

1-(4-Benzyloxyphenyl)-8-methoxy-3-methyl-4,5-dihydro-1H-benzo[g]indazole → 4-(8-Methoxy-3-methyl-4,5-dihydrobenzo[g]indazol-1-yl)-phenol

https://huagongshe.com/reaction/598770

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(4-Benzyloxyphenyl)-8-methoxy-3-methyl-4,5-dihydro-1H-benzo[g]indazoleHCID 58948767—
CatalystPalladiumHCID 23938—
SolventMeOH tetrahydrofuranHCID 21899815—
Product4-(8-Methoxy-3-methyl-4,5-dihydrobenzo[g]indazol-1-yl)-phenolHCID 58948765—

Reaction Steps

1-(4-Benzyloxyphenyl)-8-methoxy-3-methyl-4,5-dihydro-1H-benzo[g]indazole (42 mg, 0.1 mmol) was dissolved in methanol/tetrahydrofuran (2/1, v/v, 1.5 mL) and a catalytic amount of 10% Pd/C (wet) was added. The flask was purged with nitrogen and hydrogen, then stirred under 1 atmosphere of hydrogen for 2 hours. The mixture was filtered through Celite and washed with methanol, and the filtrate was concentrated. The reaction was assumed to be quantitative. LC-MS (C19H18N2O2 calculated 306) m/z 307 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07897634B2
Source datasetuspto-grants-2011_03
ORD IDord-8113568e2bbf469ab3b33cd0d2f9ef50
Source noteuspto-grants-2011_03