发明人郑宇鹏,钱学锋,张德明. "一种4-(3-氧代-1,4-二氮杂螺[4.4]壬烷-2-基)苯腈的合成方法" [P]. 中国发明专利, 专利号 CN 112554643 A, 授权公告日 2016-05-16.
发明人马晓峰,王建平,冯建国. "Method for the Synthesis of 4-(3-Oxo-1,4-diazaspiro[4.4]non-2-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 115031665 A, 授权公告日 2020-07-16.
发明人周伟,胡光,王建平. "A Process for Preparing High-Purity 4-(3-Oxo-1,4-diazaspiro[4.4]non-2-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 112141333 A, 授权公告日 2016-09-22.
参考文献 Literature
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Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(3-氧代-1,4-二氮杂螺[4.4]壬烷-2-基)苯腈 as an Impurity". J. Nat. Prod., 2012, 900, 6712-6736.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3-Oxo-1,4-diazaspiro[4.4]non-2-yl)benzonitrile Using HRMS and NMR". J. Sep. Sci., 2020, 2264, (9), 4600-4608.