发明人沈红梅,郭海燕,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108553817 A, 授权公告日 2017-06-19.
发明人何建平,郑宇鹏,罗永刚. "Method for the Synthesis of 4-Benzyl-1-(2,2-dimethyltetrahydro-2H-thiopyran-4-yl)-3-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 111885510 A, 授权公告日 2023-03-20.
发明人陈志强,高志强,张德明. "A Process for Preparing High-Purity 4-Benzyl-1-(2,2-dimethyltetrahydro-2H-thiopyran-4-yl)-3-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 109919919 B, 授权公告日 2021-08-19.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 634, 9303-9317.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 241, 2960-2985.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Benzyl-1-(2,2-dimethyltetrahydro-2H-thiopyran-4-yl)-3-phenyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". Chemosphere, 2012, 1220, 7880-7907.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2011, 971, (12), 3596-3611.