发明授权
US4595751A Perhydro-[2,3-c]-oxazolo-1,4-oxazines and their process of preparation
失效
全氢 - [2,3-c] - 恶唑并-1,4-恶嗪及其制备方法
- 专利标题: Perhydro-[2,3-c]-oxazolo-1,4-oxazines and their process of preparation
- 专利标题(中): 全氢 - [2,3-c] - 恶唑并-1,4-恶嗪及其制备方法
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申请号: US713797申请日: 1985-03-20
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公开(公告)号: US4595751A公开(公告)日: 1986-06-17
- 发明人: Alain Blanc
- 申请人: Alain Blanc
- 申请人地址: FRX Puteaux
- 专利权人: Societe Francaise Hoechst
- 当前专利权人: Societe Francaise Hoechst
- 当前专利权人地址: FRX Puteaux
- 优先权: FRX8404655 19840326
- 主分类号: C07D498/04
- IPC分类号: C07D498/04
摘要:
Novel perhydro-[2,3-c]-oxazolo-1,4-oxazines, having the general formula (I): ##STR1## in which R represents a hydrogen atom or a C.sub.1 -C.sub.5 -alkyl radical, and the process for preparation thereof comprising reacting at a temperature lower than 30.degree. C. one mole of glyoxal with one mole of diethanolamine having the general formula (II): ##STR2## in which R has the same meaning as above.
公开/授权文献
- US5673953A Breakaway ICC bumper 公开/授权日:1997-10-07
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