发明人钱学锋,郭海燕,罗永刚. "Method for the Synthesis of tert-Butyl 3-cyano-4,4-difluoropiperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113833341 A, 授权公告日 2021-01-21.
Rossi M, Nielsen H, Schröder R. "A Process for Preparing High-Purity tert-Butyl 3-cyano-4,4-difluoropiperidine-1-carboxylate" [P]. European Patent, EP 3794409 A1, 2022-07-09.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 3-氰基-4,4-二氟哌啶-1-羧酸叔丁酯 in Pharmaceutical Formulations". J. Nat. Prod., 2014, 1322, (10), 3215-3240.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-氰基-4,4-二氟哌啶-1-羧酸叔丁酯 as an Impurity". Biomed. Chromatogr., 2011, 2332, (2), 3879-3882.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-cyano-4,4-difluoropiperidine-1-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 2269, (11), 1553-1570.