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公开(公告)号:WO1998027030A1
公开(公告)日:1998-06-25
申请号:PCT/US1997022752
申请日:1997-12-10
Applicant: ALLIEDSIGNAL INC.
IPC: C07B35/06
CPC classification number: C07C29/132 , C07C1/24 , C07C17/35 , C07C2527/055 , C07C15/44 , C07C25/28 , C07C33/46 , C07C33/20
Abstract: The invention provides a process for the production of alpha -methylstyrenes. In particular, the invention provides a process for producing alpha -methylstyrenes from dimethyl phenyl carbinols using an acid salt, which process produces the alpha -methylstyrenes in excellent yield with no significant byproduct formation.
Abstract translation: 本发明提供了一种生产α-甲基苯乙烯的方法。 特别地,本发明提供了使用酸性盐从二甲基苯基甲醇生产α-甲基苯乙烯的方法,该方法以优异的产率产生α-甲基苯乙烯,没有显着的副产物形成。
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公开(公告)号:WO1998016501A1
公开(公告)日:1998-04-23
申请号:PCT/US1997017226
申请日:1997-09-25
Applicant: ALLIEDSIGNAL INC.
Inventor: ALLIEDSIGNAL INC. , QIAN, Zhenrong , SU, Heng , MATHEW, Chempolil, Thomas
IPC: C07C253/30
CPC classification number: C07D295/185 , C07C253/30
Abstract: This invention provides a process for producing cyanocinnamamides. More particularly, the invention provides a process for condensing a cyanoacetamide with a carbonyl-containing compound to produce cyanocinnamamides in good yield.
Abstract translation: 本发明提供了一种生产氰基辛酰胺酰胺的方法。 更具体地说,本发明提供了一种将氰基乙酰胺与含羰基的化合物缩合以以良好的收率产生氰酰胺酰胺的方法。
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公开(公告)号:EP0979209A1
公开(公告)日:2000-02-16
申请号:EP98913347.5
申请日:1998-04-01
Applicant: AlliedSignal Inc.
Inventor: CHANG, Chin, Hsiung , VAN TIL, Alan, E. , QIAN, Zhenrong
IPC: C01B21/14
CPC classification number: C01B21/149
Abstract: The invention provides stabilized hydroxylamine solutions. In particular, stabilized hydroxylamine solutions and processes for their preparation are provided in which the stabilizing compound is cyclohexanediaminetetraacetic acid, hydrochloride salts of thiamine, or mixtures thereof.
Abstract translation: 本发明提供了稳定的羟胺溶液。 具体地说,提供了稳定化的羟胺溶液及其制备方法,其中稳定化合物是环己烷二胺四乙酸,硫胺素的盐酸盐或其混合物。
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公开(公告)号:EP0934256A1
公开(公告)日:1999-08-11
申请号:EP97943581.0
申请日:1997-09-25
Applicant: AlliedSignal Inc.
Inventor: QIAN, Zhenrong , SU, Heng , MATHEW, Chempolil, Thomas
CPC classification number: C07D295/185 , C07C253/30
Abstract: This invention provides a process for producing cyanocinnamamides. More particularly, the invention provides a process for condensing a cyanoacetamide with a carbonyl-containing compound to produce cyanocinnamamides in good yield.
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