发明授权
- 专利标题: Process for preparing an organic synthesis intermediate
- 专利标题(中): 制备有机合成中间体的方法
-
申请号: US454001申请日: 1989-12-20
-
公开(公告)号: US5023381A公开(公告)日: 1991-06-11
- 发明人: Giulio Perdoncin , Claudio Giordano , Maurizio Paiocchi , Roberto Casagrande
- 申请人: Giulio Perdoncin , Claudio Giordano , Maurizio Paiocchi , Roberto Casagrande
- 申请人地址: ITX Vicenza
- 专利权人: Zambon Group S.p.A.
- 当前专利权人: Zambon Group S.p.A.
- 当前专利权人地址: ITX Vicenza
- 优先权: ITX23053A/88 19881222
- 主分类号: C07C45/46
- IPC分类号: C07C45/46
摘要:
A process is described for the preparation of 2-methoxy-6-propionyl-naphthalene, an intermediate in the synthesis of naproxen.The process consists of Friedel-Crafts acylation of 2-methoxy-naphthalene, and obviates the drawbacks related to the use of nitrobenzene as solvent.
公开/授权文献
- US4453316A Mechanism for measuring distances especially thread diameters 公开/授权日:1984-06-12
信息查询