Hughes D C, Fischer A B, Mueller T. "Method for the Synthesis of 1,1-Difluorospiro[2.3]Hexan-5-one" [P]. US Patent, US 11903428 B2, 2022-05-28.
Fischer A B, Mueller T, Johnson M A. "A Process for Preparing High-Purity 1,1-Difluorospiro[2.3]Hexan-5-one" [P]. US Patent, US 10764276 B2, 2023-04-02.
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". Anal. Chim. Acta, 2022, 2157, (8), 4716-4734.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 1348, (3), 6446-6463.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1,1-Difluorospiro[2.3]Hexan-5-one Using HRMS and NMR". Biomed. Chromatogr., 2018, 1199, 6127-6142.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2014, 506, 604-623.