Thompson G K, Chen K W, Johnson M A. "一种rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid的合成方法" [P]. US Patent, US 11107826 B2, 2019-02-22.
发明人朱建伟,赵玉洁,何建平. "Method for the Synthesis of rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109207783 A, 授权公告日 2021-04-14.
发明人黄志刚,何建平,孙丽萍. "A Process for Preparing High-Purity rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115525942 B, 授权公告日 2017-12-03.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 1824, (10), 5145-5169.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid as an Impurity". Anal. Methods, 2011, 1874, 3133-3157.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid Using HRMS and NMR". Anal. Chem., 2011, 2028, (8), 8534-8558.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate rac-(1R,2R)-2-(5-methylthiophen-2-yl)cyclopropane-1-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 1082, (11), 2997-3026.