发明人周伟,孙丽萍,黄志刚. "Method for the Synthesis of L(+)-Norgestrel" [P]. 中国发明专利, 专利号 CN 114521833 A, 授权公告日 2024-10-03.
发明人张德明,赵玉洁,何建平. "A Process for Preparing High-Purity L(+)-Norgestrel" [P]. 中国发明专利, 专利号 CN 117689026 A, 授权公告日 2025-08-07.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of L(+)-炔诺孕酮 in Pharmaceutical Formulations". Anal. Chem., 2015, 2205, (8), 6974-6993.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of L(+)-炔诺孕酮 as an Impurity". Food Chem., 2017, 1088, 9392-9419.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of L(+)-Norgestrel Using HRMS and NMR". Chromatographia, 2022, 517, (9), 3340-3367.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate L(+)-炔诺孕酮 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2020, 848, 2925-2951.