【药物名称】Sodium azodisalicylate, Azodisal disodium, Olsalazine sodium, CJ-91B, di-5-ASA, ADS, Dipentum
化学结构式(Chemical Structure):
参考文献No.42020
标题:Method and intermediates fo preparing high purity 3,3'-azo-bis-(6-hydroxybenzoic acid)
作者:Agback, K.H.; Nygren, A.S. (Pharmacia & Upjohn AB)
来源:EP 0036636; JP 56154445; US 4528367
合成路线图解说明:

The diazotation of methyl-5-amino-2-hydroxybenzoate (I) with NaNO2 and HCl gives the cor responding diazonium salt (II), which is coupled with methyl 2-hydroxybenzoate (III) to afford the corresponding azobenzene (IV). Finally, this compound is hydrolyzed with boiling 1N NaOH.

参考文献No.49733
标题:Olsalazine sodium
作者:Prous, J.; Casta馿r, J.
来源:Drugs Fut 1986,11(1),30
合成路线图解说明:

The diazotation of methyl-5-amino-2-hydroxybenzoate (I) with NaNO2 and HCl gives the cor responding diazonium salt (II), which is coupled with methyl 2-hydroxybenzoate (III) to afford the corresponding azobenzene (IV). Finally, this compound is hydrolyzed with boiling 1N NaOH.

Drug Information Express,Drug R&D,Chemical Database,Patent Search.
Copyright © 2006-2024 Drug Future. All rights reserved.Contact Us