Invention Grant
US07202384B2 Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
有权
制备5-硝基-3,4-二氢-1（2H） - 萘酮，1,5-萘二胺和1,5-萘二异氰酸酯的方法
- Patent Title: Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
- Patent Title (中): 制备5-硝基-3,4-二氢-1（2H） - 萘酮，1,5-萘二胺和1,5-萘二异氰酸酯的方法
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Application No.: US11400007Application Date: 2006-04-07
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Publication No.: US07202384B2Publication Date: 2007-04-10
- Inventor: Joachim Zechlin , Kai Verkerk , Dietmar Wastian , Kartin Joschek , Tim Loddenkemper , Wilfried Pinke , Michael Schelhaas , Georg Ronge
- Applicant: Joachim Zechlin , Kai Verkerk , Dietmar Wastian , Kartin Joschek , Tim Loddenkemper , Wilfried Pinke , Michael Schelhaas , Georg Ronge
- Applicant Address: DE Leverkusen
- Assignee: Bayer MaterialScience Aktiengesellschaft
- Current Assignee: Bayer MaterialScience Aktiengesellschaft
- Current Assignee Address: DE Leverkusen
- Agent Joseph C. Gil; John E. Mrozinski, Jr.
- Priority: DE10224463 20020603
- Main IPC: C07C45/00
- IPC: C07C45/00
Abstract:
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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