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1. 发明授权

US08039649B2 Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same 有权
标题翻译：保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛质量的方法及其制备方法
公开(公告)号：US08039649B2
公开(公告)日：2011-10-18
申请号：US12529719
申请日：2008-03-06
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/44
CPC分类号： C07D317/54
摘要： The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3] 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene.
摘要翻译：本发明涉及[1]一种用作保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的质量的方法，其用作香料，其包括将50-3000ppm的1-乙酰基-3,4 - 亚甲二氧基苯在2-甲基-3-（3,4-亚甲二氧基苯基）丙醛中; [2] 1-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的方法。和[3] 2-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛。

2. 发明申请

US20130046101A1 METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL AND PROCESS FOR PRODUCING THE SAME 有权
标题翻译：保留2-甲基-3-（3,4-亚甲基二苯基）丙酸的质量的方法及其制备方法
公开(公告)号：US20130046101A1
公开(公告)日：2013-02-21
申请号：US13654805
申请日：2012-10-18
申请人： Takashi DOI , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi DOI , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/54
CPC分类号： C07D317/54
摘要： The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3]2-methyl-3-(3,4-methylenedioxyphenylpropanal having a content range from 50 to 3000 ppm of of 1-acetyl-3,4-methylenedioxybenzene.
摘要翻译：本发明涉及[1]一种用作保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的质量的方法，其用作香料，其包括将50-3000ppm的1-乙酰基-3,4 - 亚甲二氧基苯在2-甲基-3-（3,4-亚甲二氧基苯基）丙醛中; [2] 1-乙酰基-3,4-亚甲二氧基苯含量为3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的方法。和[3-] 1-乙酰基-3,4-亚甲二氧基苯含量为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基丙醛）。

3. 发明授权

US08344166B2 Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl) propanal and process for producing the same 有权
标题翻译：保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛质量的方法及其制备方法
公开(公告)号：US08344166B2
公开(公告)日：2013-01-01
申请号：US13214408
申请日：2011-08-22
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/44
CPC分类号： C07D317/54
摘要： The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3] 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene.
摘要翻译：本发明涉及[1]一种用作保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的质量的方法，其用作香料，其包括将50-3000ppm的1-乙酰基-3,4 - 亚甲二氧基苯在2-甲基-3-（3,4-亚甲二氧基苯基）丙醛中; [2] 1-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的方法。和[3] 2-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛。

4. 发明申请

US20100029541A1 METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL AND PROCESS FOR PRODUCING THE SAME 有权
标题翻译：保留2-甲基-3-（3,4-亚甲基二苯基）丙酸的质量的方法及其制备方法
公开(公告)号：US20100029541A1
公开(公告)日：2010-02-04
申请号：US12529719
申请日：2008-03-06
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： A61K8/49 , C07D317/46 , A61Q13/00
CPC分类号： C07D317/54
摘要： The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3] 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene.
摘要翻译：本发明涉及[1]一种用作保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的质量的方法，其用作香料，其包括将50-3000ppm的1-乙酰基-3,4 - 亚甲二氧基苯在2-甲基-3-（3,4-亚甲二氧基苯基）丙醛中; [2] 1-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的方法。和[3] 2-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛。

5. 发明授权

US08168809B2 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereof 有权
标题翻译： 2-甲基-3-（3,4-亚甲二氧基苯基）丙醛及其制备方法
公开(公告)号：US08168809B2
公开(公告)日：2012-05-01
申请号：US12526697
申请日：2008-02-14
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/54
CPC分类号： C07D317/54
摘要： Disclosed are: (1) a method for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, which comprises the step of providing a reaction mixture containing 1-acetoxy-2-methyl-3-(3,4-methylenedioxyphenyl)-1-propene by a process for reacting 1,2-methylenedioxybenzene with 2-methyl-3,3-diacetoxypropene or a process for reacting 1,2-methylenedioxybenzene, methacrolein and acetic anhydride with one another; subjecting the reaction mixture to hydrolysis or transesterification with an alcohol to provide a reaction mixture containing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; and purifying by distilling the reaction mixture, wherein a high boiling point compound contained in the reaction mixture is removed by a specific procedure; and (2) 2-methyl-3-(3,4-methylenedioxyphenyl)-propanal produced by the method, which has an acetic acid content of a less than 40 ppm, is useful as a perfume, and has a high purity.
摘要翻译：公开的是：（1）2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的制备方法，其包括提供含有1-乙酰氧基-2-甲基-3-（3,4-二甲氧基苯基）亚甲二氧基苯基）-1-丙烯，通过使1,2-亚甲二氧基苯与2-甲基-3,3-二乙酰氧基丙酮反应的方法或使1,2-亚甲二氧基苯，甲基丙烯醛和乙酸酐彼此反应的方法; 使反应混合物用醇进行水解或酯交换，得到含有2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的反应混合物; 并通过蒸馏反应混合物进行纯化，其中通过特定方法除去反应混合物中所含的高沸点化合物; 和（2）通过乙酸含量小于40ppm的方法生产的2-甲基-3-（3,4-亚甲二氧基苯基） - 丙醛可用作香料，并且具有高纯度。

6. 发明授权

US08450508B2 Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same 有权
标题翻译：保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛质量的方法及其制备方法
公开(公告)号：US08450508B2
公开(公告)日：2013-05-28
申请号：US13654805
申请日：2012-10-18
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/44
CPC分类号： C07D317/54
摘要： The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3]2-methyl-3-(3,4-methylenedioxyphenylpropanal having a content range from 50 to 3000 ppm of of 1-acetyl-3,4-methylenedioxybenzene.
摘要翻译：本发明涉及[1]一种用作保持2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的质量的方法，其用作香料，其包括将50-3000ppm的1-乙酰基-3,4 - 亚甲二氧基苯在2-甲基-3-（3,4-亚甲二氧基苯基）丙醛中; [2] 1-乙酰基-3,4-亚甲二氧基苯含量范围为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的方法。和[3-] 1-乙酰基-3,4-亚甲二氧基苯含量为50-3000ppm的2-甲基-3-（3,4-亚甲二氧基苯基丙醛）。

7. 发明申请

US20100121085A1 2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL, AND METHOD FOR PRODUCTION THEREOF 有权
标题翻译： 2-甲基-3-（3,4-亚甲基二苯基）丙酸及其生产方法
公开(公告)号：US20100121085A1
公开(公告)日：2010-05-13
申请号：US12526697
申请日：2008-02-14
申请人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
发明人： Takashi Doi , Yoshihiro Yoshida , Eiji Sajiki , Satoru Fujitsu
IPC分类号： C07D317/48
CPC分类号： C07D317/54
摘要： Disclosed are: (1) a method for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, which comprises the step of providing a reaction mixture containing 1-acetoxy-2-methyl-3-(3,4-methylenedioxyphenyl)-1-propene by a process for reacting 1,2-methylenedioxybenzene with 2-methyl-3,3-diacetoxypropene or a process for reacting 1,2-methylenedioxybenzene, methacrolein and acetic anhydride with one another; subjecting the reaction mixture to hydrolysis or transesterification with an alcohol to provide a reaction mixture containing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; and purifying by distilling the reaction mixture, wherein a high boiling point compound contained in the reaction mixture is removed by a specific procedure; and (2) 2-methyl-3-(3,4-methylenedioxyphenyl)-propanal produced by the method, which has an acetic acid content of a less than 40 ppm, is useful as a perfume, and has a high purity.
摘要翻译：公开的是：（1）2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的制备方法，其包括提供含有1-乙酰氧基-2-甲基-3-（3,4-二甲氧基苯基）亚甲二氧基苯基）-1-丙烯，通过使1,2-亚甲二氧基苯与2-甲基-3,3-二乙酰氧基丙酮反应的方法或使1,2-亚甲二氧基苯，甲基丙烯醛和乙酸酐彼此反应的方法; 使反应混合物用醇进行水解或酯交换，得到含有2-甲基-3-（3,4-亚甲二氧基苯基）丙醛的反应混合物; 并通过蒸馏反应混合物进行纯化，其中通过特定方法除去反应混合物中所含的高沸点化合物; 和（2）通过乙酸含量小于40ppm的方法生产的2-甲基-3-（3,4-亚甲二氧基苯基） - 丙醛可用作香料，并且具有高纯度。

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