合成路线:The sulfonation of 2,4-dichlorobenzoic acid (I) with chlorosulfonic acid (II) at 140 C gives 5-chlorosulfonyl-2,4-dichlorobenzoic acid (III),which by reaction with liquid NH3 is converted into 5-sulfamoyl-2,4-dichlorobenzoic acid (IV).Finally,this compound is treated with NaOH.
参考文献标题:Diuretic agents.VI.Some sulfamoylbenzoic acids
文献作者:Stephenson,O.; Wild,A.M.; Petrow,V.; Jackman,G.B.
参考来源:J Pharm Pharmacol 1962,14679-686
合成路线:The sulfonation of 2,4-dichlorobenzoic acid (I) with chlorosulfonic acid (II) at 140 C gives 5-chlorosulfonyl-2,4-dichlorobenzoic acid (III),which by reaction with liquid NH3 is converted into 5-sulfamoyl-2,4-dichlorobenzoic acid (IV).Finally,this compound is treated with NaOH.
参考文献标题:Chemistry of furosemide.I.Syntheses of 5-sulfamoylanthranilic acid derivatives
文献作者:Rusching,H.; Siedel,W.; Sturm,K.; Weyer,R.
参考来源:Chem Ber 1966,99(1),328-344
合成路线:The sulfonation of 2,4-dichlorobenzoic acid (I) with chlorosulfonic acid (II) at 140 C gives 5-chlorosulfonyl-2,4-dichlorobenzoic acid (III),which by reaction with liquid NH3 is converted into 5-sulfamoyl-2,4-dichlorobenzoic acid (IV).Finally,this compound is treated with NaOH.
参考文献标题:Synthetic drugs,XII.Constitution and salidiuretic effect of 3-sulfamoyl-4-chlorobenzoic acid derivatives and related compounds
文献作者:Flueckiger,E.; Lindenmann,A.; Taeschler,M.; Schenker,E.; Jucker,E.
参考来源:Arzneim-Forsch Drug Res 1963,13(4),269-280
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