Kumar R, Park J H, Anderson J P. "Method for the Synthesis of 27069-16-5
3-(4-methoxyphenyl)-1h-pyrazole-5-carboxylic acid
5-(4-Methoxy-phenyl)-2H-pyrazole-3-carboxylic acid
5-(4-methoxy-phenyl)-2 h-pyrazole-3-carboxylic acid" [P]. US Patent, US 11141062 B2, 2018-06-17.
Rossi M, Björnsson E, Lefèvre J P. "A Process for Preparing High-Purity 27069-16-5
3-(4-methoxyphenyl)-1h-pyrazole-5-carboxylic acid
5-(4-Methoxy-phenyl)-2H-pyrazole-3-carboxylic acid
5-(4-methoxy-phenyl)-2 h-pyrazole-3-carboxylic acid" [P]. European Patent, EP 3284814 A1, 2022-06-14.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 5-(4-Methoxyphenyl)-1H-pyrazole-3-carboxylic acid in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 734, (5), 9649-9663.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-(4-Methoxyphenyl)-1H-pyrazole-3-carboxylic acid as an Impurity". Biomed. Chromatogr., 2010, 518, 7455-7472.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 27069-16-5
3-(4-methoxyphenyl)-1h-pyrazole-5-carboxylic acid
5-(4-Methoxy-phenyl)-2H-pyrazole-3-carboxylic acid
5-(4-methoxy-phenyl)-2 h-pyrazole-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2011, 2133, (12), 3145-3174.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 5-(4-Methoxyphenyl)-1H-pyrazole-3-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2010, 529, 9773-9801.