发明人周伟,何建平,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113444353 A, 授权公告日 2019-07-05.
Thompson G K, Anderson J P, Hughes D C. "Method for the Synthesis of 2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid amide
2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide
77651-38-8" [P]. US Patent, US 10536946 B2, 2018-08-16.
Jørgensen K, Martínez F, Mueller T C. "A Process for Preparing High-Purity 2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid amide
2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide
77651-38-8" [P]. European Patent, EP 3121375 A1, 2015-04-21.
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". Environ. Sci. Technol., 2015, 1563, (10), 5572-5597.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 320, (8), 4140-4155.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid amide
2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide
77651-38-8 Using HRMS and NMR". Chromatographia, 2024, 1947, 8076-8104.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2023, 2342, (11), 3772-3795.