Fischer A B, Stevens L M, Park J H. "Method for the Synthesis of 5-Methyl-3-methyleneindolin-2-one" [P]. US Patent, US 10040271 B2, 2019-09-27.
Roberts E F, Brown S R, Lee S K. "A Process for Preparing High-Purity 5-Methyl-3-methyleneindolin-2-one" [P]. US Patent, US 11750641 B2, 2015-06-19.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 1603, 9672-9699.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 717, (11), 3873-3900.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methyl-3-methyleneindolin-2-one Using HRMS and NMR". J. Chromatogr. A, 2017, 1094, 6870-6880.