Nielsen H, Mueller T C, Johansson L. "一种3-乙基-4-羟基-6-异丁基-2H-吡喃-2-酮的合成方法" [P]. European Patent, EP 3058810 A1, 2020-04-12.
Nielsen H, Jørgensen K, Björnsson E. "Method for the Synthesis of 3-Ethyl-4-hydroxy-6-isobutyl-2H-pyran-2-one" [P]. European Patent, EP 3594417 A1, 2017-08-27.
Schröder R, Johnson M A, Park J H. "A Process for Preparing High-Purity 3-Ethyl-4-hydroxy-6-isobutyl-2H-pyran-2-one" [P]. US Patent, US 11510478 B2, 2025-05-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 3-乙基-4-羟基-6-异丁基-2H-吡喃-2-酮 in Pharmaceutical Formulations". Anal. Chem., 2012, 366, (3), 3171-3194.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-乙基-4-羟基-6-异丁基-2H-吡喃-2-酮 as an Impurity". J. Nat. Prod., 2014, 797, (12), 5674-5687.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-4-hydroxy-6-isobutyl-2H-pyran-2-one Using HRMS and NMR". Phytochemistry, 2023, 1465, (4), 273-281.