Sørensen M, Rossi M, Kowalski A. "一种7-(3-溴-4-氟苯基)-5,8-二氮杂螺[3.4]辛烷-6-酮的合成方法" [P]. European Patent, EP 3077645 A1, 2017-11-28.
发明人罗永刚,钱学锋,赵玉洁. "Method for the Synthesis of 7-(3-Bromo-4-fluorophenyl)-5,8-diazaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 115418230 A, 授权公告日 2017-08-26.
发明人郑宇鹏,朱建伟,黄志刚. "A Process for Preparing High-Purity 7-(3-Bromo-4-fluorophenyl)-5,8-diazaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 109458501 B, 授权公告日 2017-12-19.
参考文献 Literature
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Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-(3-溴-4-氟苯基)-5,8-二氮杂螺[3.4]辛烷-6-酮 as an Impurity". Anal. Chim. Acta, 2010, 1776, (10), 1157-1161.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 7-(3-Bromo-4-fluorophenyl)-5,8-diazaspiro[3.4]octan-6-one Using HRMS and NMR". J. Nat. Prod., 2018, 2366, (6), 2410-2427.