85240-49-9

Upstream product

• 82439-87-0 3-(4-nitrobenzyl)-5-hydroxy-3H-imidazole-4-carboxamide 
• 5158-64-5 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl bromide 

Relevant academic research and scientific papers

4-Carbamoylimidazolium-5-olate derivatives

There are provided compounds of the formula: STR1 wherein either R1 or R2 is a hydrogen atom, a hydroxy group, an acyloxy group, a phthalimido group or an acetamido group and the other is a hydrogen atom; either R3 or R4 is a hydroxy group or an acyloxy group and the other is a hydrogen atom; either R5 or R6 is a hydroxy group or an acyloxy group and the other is a hydrogen atom; either R7 or R8 is a hydrogen atom, a methyl group, a hydroxymethyl group, an acyloxymethyl group, an alkoxycarbonyl group, a group of the formula: STR2 (wherein X1 and X2 are a hydrogen atom or a lower alkyl group), or a carboxyl group and the other is a hydrogen atom; either R11 or R12 is a hydrogen atom, a hydroxy group or an acyloxy group and the other is a hydrogen atom; either R13 or R14 is a hydroxy group or an acyloxy group and the other is a hydrogen atom; either R15 or R16 is a methyl group, a hydroxymethyl group or an acyloxymethyl group and the other is a hydrogen atom; and a process for producing them. These compounds are useful as antitumor agents.