CN113024554B — 一种卢美哌隆中间体的制备方法
Assigned to Shanghai Famo Biotechnology Co ltd · Expires 2023-03-14 · 3y expired
What this patent protects
本发明公开了一种卢美哌隆中间体的制备方法，将(4aS,9bR)‑6‑溴‑1,3,4,4a,5,9b‑‑六氢‑2H‑吡啶并[4,3‑b]吲哚‑2‑羧酸乙酯与2‑氯‑N‑甲基乙胺盐酸盐反应，以碳酸钾为碱、碘化亚铜为催化剂，经一锅法制得卢美哌隆中间体(6bR,10aS)‑2,3,6b,9,10,10a‑六氢‑3‑甲基‑1H‑吡啶[3',4':4,5]吡咯并[1,2,3‑脱]喹喔啉‑8(7H)羧酸乙酯。本发明的卢美哌隆中间体的制备方法，原料易得，能够显著降低生产成本；简化了工艺步序，减少了耗时，提高了生产效率，同时大大提升了收率，此外反应条件温和，后处理简单便捷…
USPTO Abstract
本发明公开了一种卢美哌隆中间体的制备方法，将(4aS,9bR)‑6‑溴‑1,3,4,4a,5,9b‑‑六氢‑2H‑吡啶并[4,3‑b]吲哚‑2‑羧酸乙酯与2‑氯‑N‑甲基乙胺盐酸盐反应，以碳酸钾为碱、碘化亚铜为催化剂，经一锅法制得卢美哌隆中间体(6bR,10aS)‑2,3,6b,9,10,10a‑六氢‑3‑甲基‑1H‑吡啶[3',4':4,5]吡咯并[1,2,3‑脱]喹喔啉‑8(7H)羧酸乙酯。本发明的卢美哌隆中间体的制备方法，原料易得，能够显著降低生产成本；简化了工艺步序，减少了耗时，提高了生产效率，同时大大提升了收率，此外反应条件温和，后处理简单便捷，适合放大制备，极具应用前景。
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Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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