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出願の表示

1. IN1312/MUMNP/2011 - “METHOD FOR PRODUCING DIAMINE DERIVATIVE”

官庁 インド
出願番号 1312/MUMNP/2011
出願日 23.06.2011
公開番号 1312/MUMNP/2011
公開日 17.08.2012
特許番号 268437
特許付与日 04.09.2015
公報種別 B
IPC
C07D 51/04
C化学;冶金
07有機化学
D複素環式化合物(高分子化合物C08)
51Heterocyclic compounds containing one or more rings each having the same structure and each consisting of 2 nitrogen atoms and 4 carbon atoms
02containing one or more 1,2-diazine or hydrogenated 1,2-diazine rings
04Pyridazines
出願人 DAIICHI SANKYO COMPANY  LIMITED
発明者 KOYAMA  Takeo
優先権情報 2008-320693 17.12.2008 JP
発明の名称
(EN) “METHOD FOR PRODUCING DIAMINE DERIVATIVE”
要約
(EN)
The present invention provides a method for producing a compound represented by formula (A), the method comprising the steps of: (a) mixing a compound represented by formula (B) with p-toluenesulfonic acid or p-toluenesulfonic acid monohydrate at less than 1 molar equivalent with respect to the compound represented by formula (B) in a solvent under heating; (b) adding additional p-toluenesulfonic acid or p—toluenesulfonic acid monohydrate to the mixed solution under cooling,.........

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