Mueller T, Anderson J P, Patel M V. "Method for the Synthesis of (2S)-2-[[[[(1S,2S)-2-Aminocyclohexyl]amino]thioxomethyl]amino]-N-(diphenylmethyl)-N,3,3-trimethylbutanamide" [P]. US Patent, US 9865537 B2, 2019-07-03.
发明人徐明华,马晓峰,郭海燕. "A Process for Preparing High-Purity (2S)-2-[[[[(1S,2S)-2-Aminocyclohexyl]amino]thioxomethyl]amino]-N-(diphenylmethyl)-N,3,3-trimethylbutanamide" [P]. 中国发明专利, 专利号 CN 115346292 A, 授权公告日 2022-08-19.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 632, (12), 8636-8659.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1457, 420-425.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (2S)-2-[[[[(1S,2S)-2-Aminocyclohexyl]amino]thioxomethyl]amino]-N-(diphenylmethyl)-N,3,3-trimethylbutanamide Using HRMS and NMR". Chemosphere, 2013, 2235, (11), 4606-4625.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 716, 1219-1228.