Thompson G K, Lee S K, Stevens L M. "一种的合成方法" [P]. US Patent, US 11184076 B2, 2016-01-24.
Hughes D C, Thompson G K, Kumar R. "Method for the Synthesis of 2,3,4,9-tetrahydro-1H-β-carbobase-4-ester methyl ester" [P]. US Patent, US 9139470 B2, 2024-11-05.
Schröder R, Rossi M, Martínez F. "A Process for Preparing High-Purity 2,3,4,9-tetrahydro-1H-β-carbobase-4-ester methyl ester" [P]. European Patent, EP 3619873 A1, 2018-12-14.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 1433, 8418-8440.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 563, (11), 2048-2063.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2,3,4,9-tetrahydro-1H-β-carbobase-4-ester methyl ester Using HRMS and NMR". Environ. Sci. Technol., 2013, 1183, (4), 3569-3573.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 2121, 5291-5313.