Abstract A convenient, one-step method for synthesis of the N-(3-hydroxypropyl) imide of 4- (3′-hydroxypropyl)-aminonaphtalic acid is proposed. It has been found that ethylene glycol monoethyl ether can be successfully used to replace solvents previously used for these reactions.
[Yuan, Dongwu; Brown, Robert G.; Hepworth, John D.; Alexiou, Michael S.; Tyman, John H. P. Journal of Heterocyclic Chemistry, 2008 , vol. 45, # 2 p. 397 - 404]
![2-(3-hydroxypropyl)-6-[(3-hydroxypropyl)amino]-1H-benz[de]isoquinoline-1,3(2H)-dione Structure](https://image.chemsrc.com/caspic/250/52821-24-6.png)