发明授权
US07202378B2 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
有权
制备5-硝基-3,4-二氢-1(H) - 萘酮,1,5-萘二胺和1,5-萘二异氰酸酯的方法
- 专利标题: Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
- 专利标题(中): 制备5-硝基-3,4-二氢-1(H) - 萘酮,1,5-萘二胺和1,5-萘二异氰酸酯的方法
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申请号: US11399962申请日: 2006-04-07
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公开(公告)号: US07202378B2公开(公告)日: 2007-04-10
- 发明人: Joachim Zechlin , Kai Verkerk , Dietmar Wastian , Katrin Joschek , Tim Loddenkemper , Wilfried Pinke , Michael Schelhaas , Georg Ronge
- 申请人: Joachim Zechlin , Kai Verkerk , Dietmar Wastian , Katrin Joschek , Tim Loddenkemper , Wilfried Pinke , Michael Schelhaas , Georg Ronge
- 申请人地址: DE Leverkusen
- 专利权人: Bayer MaterialScience AG
- 当前专利权人: Bayer MaterialScience AG
- 当前专利权人地址: DE Leverkusen
- 代理商 Joseph C. Gil; John E. Mrozinski, Jr.
- 优先权: DE10224463 20020603
- 主分类号: C07C261/00
- IPC分类号: C07C261/00
摘要:
The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
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