89640-81-3Relevant academic research and scientific papers
MACROCYCLIC BROAD SPECTRUM ANTIBIOTICS
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Paragraph 00229; 00232, (2020/12/11)
Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidases SpsB and/or LepB, an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.
Process for manufacturing 1,6-dihydro-6-oxo-4-pyridazine carboxylic acid
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Paragraph 0026; 0027; 0028, (2015/04/15)
The present invention provides a process for manufacturing 6-oxo-1 H-pyridazine-4-carboxylic acid 5 comprising - (a) reacting dimethyl 2-methylenebutanedioate with hydrazine to obtain methyl 6- oxohexahydropyridazine-4-carboxylate 11; - (b) oxidizing methyl 6-oxohexahydropyridazine-4-carboxylate 11 with a suitable oxidizing agent to methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a; - (c) isolating methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a; - (d) hydrolyzing methyl 6-oxo-1 H-pyridazine-4-carboxylate 4a in the presence of an aqueous base or acid to the 6-oxo-1 H-pyridazine-4-carboxylic acid 5.
