CN Patent
CN105085396B — 用于制备贝达喹啉的中间体及其制备方法和应用
Assigned to Shanghai Institute of Pharmaceutical Industry · Expires 2017-08-08 · 9y expired
What this patent protects
本发明公开了一种用于制备贝达喹啉的中间体及其制备方法,本发明的优势在于:避免了中间体中的α位氢和烯醇化,减少了副反应的发生,提高了原料的转化率和反应的总收率,适合大规模工业化生产。用于制备贝达喹啉的中间体,其特征在于,为具有式(9)结构式的化合物或其光学异构体:
USPTO Abstract
本发明公开了一种用于制备贝达喹啉的中间体及其制备方法,本发明的优势在于:避免了中间体中的α位氢和烯醇化,减少了副反应的发生,提高了原料的转化率和反应的总收率,适合大规模工业化生产。用于制备贝达喹啉的中间体,其特征在于,为具有式(9)结构式的化合物或其光学异构体:
Drugs covered by this patent
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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