Chen K W, Yamamoto T, O'Brien P Q. "Method for the Synthesis of rac-(2R,3R)-2-(1-ethyl-1H-pyrazol-4-yl)oxane-3-carbaldehyde" [P]. US Patent, US 11025240 B2, 2024-11-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of rac-(2R,3R)-2-(1-ethyl-1H-pyrazol-4-yl)oxane-3-carbaldehyde in Pharmaceutical Formulations". Talanta, 2012, 443, (9), 4178-4188.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of rac-(2R,3R)-2-(1-ethyl-1H-pyrazol-4-yl)oxane-3-carbaldehyde as an Impurity". J. Chromatogr. A, 2012, 770, 734-740.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of rac-(2R,3R)-2-(1-ethyl-1H-pyrazol-4-yl)oxane-3-carbaldehyde Using HRMS and NMR". Chromatographia, 2015, 1056, 1639-1648.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate rac-(2R,3R)-2-(1-ethyl-1H-pyrazol-4-yl)oxane-3-carbaldehyde Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 2030, 3050-3064.