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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 473470Generated: October 30, 2026

O-Phenylenediamine → 8-(2-Aminophenylamino)-1-methoxy-10,11-dihydrodibenzo[a,d]cyclohepten-5-one

https://huagongshe.com/reaction/473470

Reaction equation

Participants

RoleNameHCIDCharge
ReactantO-PhenylenediamineHCID 7243—
ReactantPhosphineHCID 24404—
ReactantHCID 67360944HCID 67360944—
Reactantsodium 2-methylpropan-2-olateHCID 178418730—
Catalystpalladium(II) acetateHCID 167845—
SolventTolueneHCID 1140—
Solventtert-ButanolHCID 6386—
Product8-(2-Aminophenylamino)-1-methoxy-10,11-dihydrodibenzo[a,d]cyclohepten-5-oneHCID 45280641—

Reaction Steps

For the synthesis of the title compound, 0.54 g (0.0020 mol) of 8-chloro-1-methoxy-10,11-dihydrodibenzo[a,d]cyclohepten-5-one, 1.08 g (0.010 mol) of phenylenediamine, 2 spatula tips of Pd(OAc)2, 0.14 g of phosphine ligand and 1.60 g (0.0166 mol) of NaOtert-Bu in 10 ml of toluene and 2 ml of tert-BuOH are reacted by method O. Purification is carried out by column chromatography (flash; SiO2; hexane 80%/ethyl acetate 20%). C22H20N2O2 (Mr=344.42)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08633312B2
Source datasetuspto-grants-2014_01
ORD IDord-3204d51816b14fc18ee96eac421fc3bf
Source noteuspto-grants-2014_01