发明授权
- 专利标题: Process for the preparation of [2,2]-paracyclophane
- 专利标题(中): 制备[2,2] - 对环磷酰胺的方法
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申请号: US546353申请日: 1983-10-28
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公开(公告)号: US4532369A公开(公告)日: 1985-07-30
- 发明人: Hartmut Hartner
- 申请人: Hartmut Hartner
- 申请人地址: DEX Darmstadt
- 专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人地址: DEX Darmstadt
- 优先权: DEX3240303 19821030
- 主分类号: B01J31/00
- IPC分类号: B01J31/00 ; B01J31/02 ; C07B61/00 ; C07C1/00 ; C07C1/32 ; C07C13/70 ; C07C67/00 ; C07C2/72
摘要:
A process for the preparation of [2,2]-paracyclophane comprises contacting aqueous p-methylbenzyltrimethylammonium hydroxide with sodium hydroxide or potassium hydroxide, in the presence of dimethyl sulfoxide, and preferably in the further presence of an inert water-immiscible organic solvent.
公开/授权文献
- US5560292A Printing group cylinder of a web-fed rotary printing machine 公开/授权日:1996-10-01
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