Kumar R, Chen K W, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10701855 B2, 2024-04-25.
Stevens L M, Klinger H, Chen K W. "Method for the Synthesis of (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid" [P]. US Patent, US 11917092 B2, 2019-11-26.
Chen K W, Johnson M A, Hughes D C. "A Process for Preparing High-Purity (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid" [P]. US Patent, US 11233833 B2, 2018-11-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 1209, (4), 7782-7800.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2020, 137, 8206-8232.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid Using HRMS and NMR". Anal. Methods, 2011, 2302, 6422-6434.