Roberts E F, Lee S K, Stevens L M. "一种3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole的合成方法" [P]. US Patent, US 11131822 B2, 2021-12-19.
发明人罗永刚,钱学锋,杨光. "Method for the Synthesis of 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole" [P]. 中国发明专利, 专利号 CN 110618254 B, 授权公告日 2025-03-03.
Stevens L M, Thompson G K, Kumar R. "A Process for Preparing High-Purity 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole" [P]. US Patent, US 11041504 B2, 2025-04-22.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole in Pharmaceutical Formulations". Anal. Chem., 2017, 1276, 6161-6165.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole as an Impurity". J. Agric. Food Chem., 2018, 835, (4), 1915-1942.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole Using HRMS and NMR". Biomed. Chromatogr., 2024, 1320, 2163-2190.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 3-ethyl-5-methyl-4-pyrrolidin-2-ylisoxazole Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 2150, (4), 3186-3207.