发明人周伟,罗永刚,王建平. "Method for the Synthesis of 2-(2-(tert-Butyl)-6-methyl-4H-pyran-4-ylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 113736428 A, 授权公告日 2018-10-02.
Klinger H, Hughes D C, Johnson M A. "A Process for Preparing High-Purity 2-(2-(tert-Butyl)-6-methyl-4H-pyran-4-ylidene)malononitrile" [P]. US Patent, US 9549430 B2, 2020-12-25.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(氰基亚甲基)-2-叔丁基-6-甲基-4氢-吡喃 in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1377, (8), 7051-7062.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(氰基亚甲基)-2-叔丁基-6-甲基-4氢-吡喃 as an Impurity". Phytochemistry, 2025, 1743, (1), 4558-4573.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-(tert-Butyl)-6-methyl-4H-pyran-4-ylidene)malononitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 367, (4), 7286-7308.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 4-(氰基亚甲基)-2-叔丁基-6-甲基-4氢-吡喃 Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 1963, (2), 3759-3771.