CAS: 116751-24-7; 3-Hydroxy-2,4,5-Trifluorobenzoic Acid

相似化合物

128426-84-6 137234-92-5 1260902-10-0

上下游产品

CAS号28749-88-4 3,4,6-trifluoro... | CAS号28889-41-0 3,4,6-trifluoro... | CAS号113798-74-6 2,3,6-三氟苯酚 | CAS号851341-31-6 1-bromo-2,3,5-t... | CAS号192446-70-1 4-bromo-2,3,6-t... | CAS号136897-64-8 2,4,5-三氟-3-甲氧基苯甲酸甲酯 | CAS号169507-61-3 2,4,5-三氟-3-乙氧基苯甲酸

3,4,6-Trifluoro-5-Hydroxyphthalic Acid置于氯仿体系中,用 水 用作溶剂,化学反应 3.0H,以as Colorless Crystals,0.35 G Of 2,4,5-Trifluoro-3-Hydroxybenzoic Acid Was Obtained的收率获得2,4,5-三氟-3-羟基苯甲酸
参考文献:Trifluorohydroxyaromatic Acid And Preparation Thereof
标题:Trifluorohydroxyaromatic Acid And Preparation Thereof
摘要:本文披露了以下公式(i)所代表的2,4,5-三氟-3-羟基苯甲酸及其盐和制备方法.此外,还披露了一种用于制备上述化合物的3,5,6-三氟-4-羟基邻苯二甲酸的制备方法.

专利信息

专利号:CN-100408542-C
优先权日:2005-09-02
标题:Synthesis of 2,4,5-trifluoro-3-methoxybenzoic acid

专利号:US-6136823-A
优先权日:1996-11-28
标题 :Pyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredient
发明人：SAKAE NOBUYA; YAZAKI AKIRA; KURAMOTO YASUHIRO; YOSHIDA JIRO; NIINO YOSHIKO; OHSHITA YOSHIHIRO; HIRAO YUZO; HAYASHI NORIHIRO; AMANO HIROTAKA
权利人:WAKUNAGA PHARMA CO LTD
摘要:PCT No. PCT/JP97/04326 Sec. 371 Date May 28, 1999 Sec. 102(e) Date May 28, 1999 PCT Filed Nov. 27, 1997 PCT Pub. No. WO98/23592 PCT Pub. Date Jun. 4, 1998The invention relates to pyridonecarboxylic acid derivatives represented by the general formula (1): wherein R1 is -OH, a carboxy-protecting group or (alkyl)amino group, R2 is H, or -NO2, (protected) amino, (protected) hydroxyl, lower alkyl or lower alkoxyl group, R3 is a halogen atom, H, or -NO2, lower alkyl, lower alkoxyl or amino group, R4 is an azido, (substituted) hydrazino, (substituted) amino, lower alkoxyl or hydroxyl group, R5, R6 and R7 are independently H, -NO2, halogen atom or lower alkyl group, R8 is a -NO2, (substituted) amino, -OH or lower alkoxyl group, A is N or C-R12, in which R12 is H, halogen atom, or (substituted) lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyl, lower alkylthio or nitro group, and B is N or C-R13, in which R13 is H or halogen atom, or salts thereof, and medicine comprising such a compound as an active ingredient. The derivatives or the salts thereof exhibit excellent antibacterial action and peroral absorbability, scarcely cause side effects, and are easy of synthesis.