发明人胡光,王建平,张德明. "一种3-乙基-1-氧代-2,8-二氮杂螺[4.5]癸烷-8-羧酸叔丁酯的合成方法" [P]. 中国发明专利, 专利号 CN 117069833 A, 授权公告日 2019-05-02.
发明人郭海燕,朱建伟,罗永刚. "Method for the Synthesis of tert-Butyl 3-ethyl-1-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 108354770 A, 授权公告日 2024-03-03.
Rossi M, Jørgensen K, Johansson L. "A Process for Preparing High-Purity tert-Butyl 3-ethyl-1-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate" [P]. European Patent, EP 3426989 A1, 2025-05-28.
参考文献 Literature
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