796845-65-3Relevant academic research and scientific papers
A convenient synthesis method of 5-oxopyrazolo[4,3-b]pyridine-6-carboxylic acids and their nitriles
Yakovenko, Georgiy G.,Lukianov, Oleh А.,Bol’but, Andriy V.,Vovk, Mikhailo V.
, p. 1211 - 1216 (2020/01/08)
[Figure not available: see fulltext.] N-Boc-protected 5-formyl-1H-pyrazol-4-amines react with malonic acid in pyridine in the presence of pyrrolidine at 45–50°С or with malonic acid monomethyl ether in the presence of pyrrolidine in AcOH under reflux with
CEPHEM COMPOUNDS
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, (2010/02/09)
The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl which may have suitable substituent(s), R2 is amino, protected amino or guanidino, R3 is carboxy or protected carboxy, R4 /sup
