专利名称 | METHOD FOR PREPARING OXASPIROCYCLE DERIVATIVE, AND INTERMEDIATE THEREOF | ||
申请号 | CA3076395 | 申请日 | |
公开(公告)号 | CA3076395A1 | 公开(公告)日 | |
申请(专利权)人 | JIANGSU HENGRUI MEDICINE CO LTD | 发明人 | LI, WENHAI; QI, WEIXING; QIU, ZHENJUN |
专利来源 | 国家知识产权局 | 转化方式 | |
摘要 |
The present invention relates to a method for preparing an oxaspirocycle derivative, and an intermediate thereof. The method reduces reaction steps, improves reaction yield, is simple and easy to operate, and is favorable for industrial large-scale production. |
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