应用场景:针对化学分析用途,2-甲基-3-氧代-N-(4-(N-苯基氨磺酰基)苯基)-3,4-二氢-2H-苯并 b 1,4 噻嗪-6-甲酰胺(2-Methyl-3-oxo-N-(4-(N-phenylsulfamoyl)phenyl)-3,4-dihydro-2H-benzo b 1,4 thiazine-6-carboxamide)是具有明确定量溯源的认证级对照品。 推荐以2-甲基-3-氧代-N-(4-(N-苯基氨磺酰基)苯基)-3,4-二氢-2H-苯并 b 1,4 噻嗪-6-甲酰胺配制标准系列工作溶液,用于建立标准曲线实现外标法定量。 建议使用甲醇/乙腈(1:1)为溶剂配制储备溶液,根据检测
发明人杨光,马晓峰,钱学锋. "一种2-甲基-3-氧代-N-(4-(N-苯基氨磺酰基)苯基)-3,4-二氢-2H-苯并[b][1,4]噻嗪-6-甲酰胺的合成方法" [P]. 中国发明专利, 专利号 CN 116270269 A, 授权公告日 2018-03-08.
发明人林芳,杨光,罗永刚. "Method for the Synthesis of 2-Methyl-3-oxo-N-(4-(N-phenylsulfamoyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 109399561 B, 授权公告日 2020-02-15.
发明人王建平,韩伟,沈红梅. "A Process for Preparing High-Purity 2-Methyl-3-oxo-N-(4-(N-phenylsulfamoyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 116029748 A, 授权公告日 2024-12-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 2-甲基-3-氧代-N-(4-(N-苯基氨磺酰基)苯基)-3,4-二氢-2H-苯并[b][1,4]噻嗪-6-甲酰胺 in Pharmaceutical Formulations". Anal. Methods, 2020, 972, (11), 594-623.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-甲基-3-氧代-N-(4-(N-苯基氨磺酰基)苯基)-3,4-二氢-2H-苯并[b][1,4]噻嗪-6-甲酰胺 as an Impurity". J. Sep. Sci., 2015, 1473, 6895-6907.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-3-oxo-N-(4-(N-phenylsulfamoyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxamide Using HRMS and NMR". Biomed. Chromatogr., 2025, 1041, 9979-9990.