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1.Method of producing 1, 2, 4-benzothiadiazine-1, 1-dioxide compound 有权
标题翻译: Verfahren zur Herstellung von 1,2,4-苯并噻二嗪-1,1-二氧化物衍生物公开(公告)号:EP1348702A1
公开(公告)日:2003-10-01
申请号:EP03006822.5
申请日:2003-03-27
发明人: Kaneko, Yushi, Fuji Photo Film Co., Ltd. , Motoki, Masuji, Fuji Photo Film Co., Ltd. , Yamakawa, Katsuyoshi, Fuji Photo Film Co., Ltd. , Mori, Hideto, Fuji Photo Film Co., Ltd. , Yasuoka, Hiroshi, Fuji Photo Film Co., Ltd.
IPC分类号: C07D285/24
CPC分类号: C07D417/06 , C07D285/24 , C07D285/30
摘要: A method of producing 1,2,4-benzothiadiazine-1,1-dioxide compound of formula (I), including reacting a 2-aminobenzenesulfonamide compound with a 1,1-dialkoxyalkene compound or with an orthoester compound, in the presence of an acid, to obtain an iminoether compound, and then subjecting the iminoether compound to a ring closure reaction, in the presence of a base:
wherein, in formula (I), R 1 is an alkyl group, or an aryl group; R 2 is a substituent; n is 0 to 4; and R 3 is a hydrogen atom or a substituent.摘要翻译: 一种生产式(I)的1,2,4-苯并噻二嗪-1,1-二氧化物化合物的方法,包括使2-氨基苯磺酰胺化合物与1,1-二烷氧基烯化合物或原酸酯化合物在 酸,得到亚氨基醚化合物,然后在碱存在下使亚胺醚化合物进行闭环反应:其中在式(I)中,R 1是烷基或芳基; R2是取代基; n为0〜4; R3为氢原子或取代基。
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2.
公开(公告)号:EP1035172A2
公开(公告)日:2000-09-13
申请号:EP00104167.2
申请日:2000-02-29
发明人: Yamakawa, Katsuyoshi, Fuji Photo Film Co., Ltd. , Motoki, Masuji, Fuji Photo Film Co., Ltd. , Asanuma, Naoki, Fuji Photo Film Co., Ltd. , Suzuki, Ryo, c/o Fuji Photo Film Co., Ltd. , Sato, Tadahisa, c/o Fuji Photo Film Co., Ltd. , Mikoshiba, Hisashi, c/o Fuji Photo Film Co., Ltd.
CPC分类号: C09D11/32 , C09B55/009 , C09D11/328
摘要: An azomethine compound is represented by the formula (I).
and R 1 , L 1 , L 2 , R 3 and R 4 have 20 to 50 carbon atoms in total.摘要翻译: 偶氮甲碱化合物由式(I)表示。
和R 1,L 1,L 2,R 3和R 4总共具有20至50个碳原子。 -
3.Method of producing 1, 2, 4-benzothiadiazine-1, 1-dioxide compound 有权
标题翻译: 一种用于生产1,2,4-苯并噻二嗪-1,1-二氧化物衍生物的方法公开(公告)号:EP1348702B1
公开(公告)日:2006-12-20
申请号:EP03006822.5
申请日:2003-03-27
发明人: Kaneko, Yushi, Fuji Photo Film Co., Ltd. , Motoki, Masuji, Fuji Photo Film Co., Ltd. , Yamakawa, Katsuyoshi, Fuji Photo Film Co., Ltd. , Mori, Hideto, Fuji Photo Film Co., Ltd. , Yasuoka, Hiroshi, Fuji Photo Film Co., Ltd.
IPC分类号: C07D285/24
CPC分类号: C07D417/06 , C07D285/24 , C07D285/30
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