Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2373399Generated: October 29, 2026

4-dimethylaminomethylene-3,4-dihydro-1H-benzo[b]azepine-2,5-dione → 2-(3,4-Dimethoxy-phenylamino)-5H,7H-benzo[b]pyrimido[4,5-d]azepin-6-one

https://huagongshe.com/reaction/2373399

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-dimethylaminomethylene-3,4-dihydro-1H-benzo[b]azepine-2,5-dioneHCID 66934763—
ReactantHCID 178492307HCID 178492307—
Product2-(3,4-Dimethoxy-phenylamino)-5H,7H-benzo[b]pyrimido[4,5-d]azepin-6-oneHCID 56946481—

Reaction Steps

In a manner similar to that described for method I, 4-dimethylaminomethylene-3,4-dihydro-1H-benzo[b]azepine-2,5-dione (v-c) and N-(3,4-dimethoxyphenyl)guanidine nitrate were converted to I-27 (58%): HRMS Calcd. for C20H18N4O3: 363.1457, Found 363.1441.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07459448B2
Source datasetuspto-grants-2008_12
ORD IDord-544887aded204b909022d231663aab53
Source noteuspto-grants-2008_12