689293-67-2

Upstream product

• 20055-01-0 4,5-diamino-1-methylpyrazole sulfate 
• 57260-73-8 N-BOC-1,2-diaminoethane 
• 530-62-1 1,1'-carbonyldiimidazole 

Downstream Products

• 689293-69-4 4-(3-{2-[(tert-butoxycarbonyl)amino]ethyl}ureido)-1-methyl-5-triphenylmethylaminopyrazole 
• 689293-68-3 7β-[(Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(1-carboxy-1-methylethoxyimino) acetamido]-3-{3-amino-4-[3-(2-aminoethyl) ureido]-2-methyl-1-pyrazolio} methyl-3-cephem-4-carboxylate 

Relevant academic research and scientific papers

PROCESS FOR THE PREPARATION OF CARBAMOYLAMINO PYRAZOLE DERIVATIVES

The present invention relates to a process for the preparation of carbamoylamino pyrazole derivatives using diacetoxyiodobenzene (ΡhΙ(ΟΑc)2) in combination with a non-nucleophilic base.

CEPHEM COMPOUNDS

The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl, hydroxy(lower)alkyl or halo(lower)alkyl, and R2 is hydrogen or amino protecting group, or R1 and R2 are bonded together and form lower alkylene or lower alkenylene; R3 is hydrogen or lower alkyl; R4 is ; R5 is carboxy or protected carboxy; and R6 is amino or protected amino, or a pharmaceutically acceptable salt thereof, a process for preparing a compound of the formula [I], and a pharmaceutical composition comprising a compound of the formula [I] in admixture with a pharmaceutically acceptable carrier.