Johnson M A, Schröder R, Klinger H. "Method for the Synthesis of (E)-2-(4-Methoxystyryl)-4H-benzo[d][1,3]oxazin-4-one" [P]. US Patent, US 9751205 B2, 2019-01-21.
发明人韩伟,王建平,钱学锋. "A Process for Preparing High-Purity (E)-2-(4-Methoxystyryl)-4H-benzo[d][1,3]oxazin-4-one" [P]. 中国发明专利, 专利号 CN 111459237 B, 授权公告日 2023-02-17.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2016, 2131, (4), 7418-7426.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 1602, (6), 2154-2171.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (E)-2-(4-Methoxystyryl)-4H-benzo[d][1,3]oxazin-4-one Using HRMS and NMR". J. Chromatogr. A, 2021, 1691, 2780-2783.