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1. 发明申请

US20110034722A1 METHOD FOR PRODUCING OF 2-ALKYL-2-CYCLOALKEN-1-ONE 有权
标题翻译： 2-烷基-2-环烯酮-1-酮的制备方法
公开(公告)号：US20110034722A1
公开(公告)日：2011-02-10
申请号：US12937443
申请日：2009-04-02
申请人： Makiko Muroi , Atsushi Nagasawa , Kunshi Matsumoto , Mariko Kagaya , Hirotsugu Nishimura , Yoshiharu Ataka
发明人： Makiko Muroi , Atsushi Nagasawa , Kunshi Matsumoto , Mariko Kagaya , Hirotsugu Nishimura , Yoshiharu Ataka
IPC分类号： C07C69/716 , C07C45/61
CPC分类号： C07C51/00 , C07C45/66 , C07C67/347 , C07C2601/08 , C07C49/597 , C07C69/716
摘要： The present invention relates to [1] a process for producing a 2-alkyl-2-cycloalken-1-one represented by the following general formula (2), which includes the step of subjecting a 2-(1-hydroxyalkyl)cycloalkan-1-one to dehydration and isomerization in the co-existence of an acid and a platinum group metal catalyst, and [2] a process for producing an alkyl(3-oxo-alkylcycloalkyl)acetate which is useful as a perfume material, using the 2-alkyl-2-cycloalken-1-one: wherein n is an integer of 1 or 2; and R1 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 8 carbon atoms with the proviso that R1 and R2 may form a ring through a carbon atom adjacent thereto.
摘要翻译：本发明涉及[1]由以下通式（2）表示的2-烷基-2-环烯烃-1-酮的制备方法，其包括使2-（1-羟基烷基）环烷烃-1-酮 1-酮在酸和铂族金属催化剂的共存下脱水和异构化，[2]制备可用作香料的烷基（3-氧代 - 烷基环烷基）乙酸酯的方法，使用 2-烷基-2-环烯烃-1-酮：其中n为1或2的整数; 并且R 1和R 2各自独立地为氢原子或具有1至8个碳原子的烷基，条件是R 1和R 2可以通过与其相邻的碳原子形成环。

2. 发明授权

US08394994B2 Method for producing of 2-alkyl-2-cycloalken-1-one 有权
标题翻译： 2-烷基-2-环烯酮-1-酮的制备方法
公开(公告)号：US08394994B2
公开(公告)日：2013-03-12
申请号：US12937443
申请日：2009-04-02
申请人： Makiko Muroi , Atsushi Nagasawa , Kunshi Matsumoto , Mariko Kagaya , Hirotsugu Nishimura , Yoshiharu Ataka
发明人： Makiko Muroi , Atsushi Nagasawa , Kunshi Matsumoto , Mariko Kagaya , Hirotsugu Nishimura , Yoshiharu Ataka
IPC分类号： C07C45/51 , C07C69/74 , C07D305/00 , C07D309/00
CPC分类号： C07C51/00 , C07C45/66 , C07C67/347 , C07C2601/08 , C07C49/597 , C07C69/716
摘要： The present invention relates to [1] a process for producing a 2-alkyl-2-cycloalken-1-one represented by the following general formula (2), which includes the step of subjecting a 2-(1-hydroxyalkyl)cycloalkan-1-one to dehydration and isomerization in the co-existence of an acid and a platinum group metal catalyst, and [2] a process for producing an alkyl(3-oxo-alkylcycloalkyl)acetate which is useful as a perfume material, using the 2-alkyl-2-cycloalken-1-one: wherein n is an integer of 1 or 2; and R1 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 8 carbon atoms with the proviso that R1 and R2 may form a ring through a carbon atom adjacent thereto.
摘要翻译：本发明涉及[1]由以下通式（2）表示的2-烷基-2-环烯烃-1-酮的制备方法，其包括使2-（1-羟基烷基）环烷烃-1-酮 1-酮在酸和铂族金属催化剂的共存下脱水和异构化，[2]制备可用作香料的烷基（3-氧代 - 烷基环烷基）乙酸酯的方法，使用 2-烷基-2-环烯烃-1-酮：其中n为1或2的整数; 并且R 1和R 2各自独立地为氢原子或具有1至8个碳原子的烷基，条件是R 1和R 2可以通过与其相邻的碳原子形成环。

3. 发明授权

US07057077B2 Method for producing 2- (alkyl) cycloalkenone 有权
标题翻译： 2-（烷基）环烯酮的制备方法
公开(公告)号：US07057077B2
公开(公告)日：2006-06-06
申请号：US10732360
申请日：2003-12-11
申请人： Hirotsugu Nishimura , Koji Mine
发明人： Hirotsugu Nishimura , Koji Mine
IPC分类号： C07C45/51 , C07C69/74 , C07D305/00 , C07D309/00
CPC分类号： C07C45/74 , C07C45/66 , C07C45/67 , C07C45/72 , C07C67/343 , C07C2601/08 , C07C49/647 , C07C49/603 , C07C49/597 , C07C49/493 , C07C69/716
摘要： A method for producing 2-(alkyl)cycloalkenone and a method for producing alkyl(3-oxo-2-alkylcycloalkyl) acetate and 5-alkyl-5-alkanolide which are useful as flavoring materials and physiologically active substances using the same are provided. A method for producing Compound (2) including the steps of: dehydrating Compound (1) using an acid catalyst until the conversion ratio of dehydration reaction reaches 20 to 90% based on Compound (1), thereby obtaining a mixture containing Compound (1) and Compound (3); and isomerizing Compound (3) while dehydrating the remaining Compound (1), and a method for producing Compound (5) or (6) using obtained Compound (2). (wherein n represents 1 or 2, R1 and R2 each represent H, C1-8 alkyl groups and the like and R3 represents C1-3 alkyl groups).
摘要翻译：提供了2-（烷基）环烯酮的制备方法和制备可用作调味料的（3-氧代-2-烷基环烷基）乙酸酯和5-烷基-5-链烷醇化物的方法和使用其的生理活性物质。一种制备化合物（2）的方法，包括以下步骤：使用酸催化剂使化合物（1）脱水直至脱水反应的转化率相对于化合物（1）为20〜90％，由此得到含有化合物（1）的混合物，和化合物（3）; 并使化合物（3）异构化同时使剩余的化合物（1）脱水，以及使用所得化合物（2）制备化合物（5）或（6）的方法。（其中n表示1或2，R 1和R 2各自表示H，C 1-8烷基等， SUP> 3 表示C 1-3烷基）。

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