CAS: 22095-98-3; 1,4-Phenylene Bis(4-Aminobenzoate)

上下游产品

1,4-Bis-(4-Nitro-Benzoyloxy)-Benzene 24706-98-7

1,4-Bis-(4-Nitro-Benzoyloxy)-Benzene置于5%-Palladium/activated Carbon,氢气体系中,用 乙二醇甲醚 用作溶剂,85.0~90.0 °C,800.01 Kpa 条件下,以71 %的收率获得[4-(4-氨基苯甲酰基)氧基苯基]4-氨基苯甲酸酯
参考文献: Meta-Ester Aromatic Diamines,Method For Producing Same,And Polyimide Having Said Meta-Ester Aromatic Diamines As Raw Material[fr] Diamines Aromatiques De Méta-Ester,Leur Procédé De Production Et Polyimide Ayant Lesdites Diamines Aromatiques De Méta-Ester Comme Matière Première[ja] メタ型エステル系芳香族ジアミン,およびその製造方法,並びにそれらのメタ型エステル系芳香族ジアミンを原料とするポリイミド
标题: Meta-Ester Aromatic Diamines,Method For Producing Same,And Polyimide Having Said Meta-Ester Aromatic Diamines As Raw Material[fr] Diamines Aromatiques De Méta-Ester,Leur Procédé De Production Et Polyimide Ayant Lesdites Diamines Aromatiques De Méta-Ester Comme Matière Première[ja] メタ型エステル系芳香族ジアミン,およびその製造方法,並びにそれらのメタ型エステル系芳香族ジアミンを原料とするポリイミド
摘要:[要約] [課題] 本発明は,新規なメタ型エステル系芳香族ジアミン,およびその製造方法,並びにポリイミド合成を提供することを目的とする. [解決手段] 下記式(1)で表される化合物 式(1)において,xは下記(a),(b),(c)又は(d)であり,式(1)におけるr1,r2,r3,及びr4,及び(a),(b),(c),(d)におけるr5,r6,r7,r8,r9,r10,r11,r12,r13,r14,r15,r16,r17,r18,r19及びr20は,互いに独立に,水素原子,炭素原子数1~6の,置換されていてもよいアルキル基,又は,炭素原子数1~3のアルコキシ基であり,但し,r7,r8,r9,及びr10の少なくとも1は前記アルキル基又はアルコキシ基である.

专利信息

专利号:US-6765089-B1
优先权日:1997-09-24
标 题 :Protecting and linking groups for organic synthesis on solid supports
发明人：TOTH ISTVAN; DEKANY GYULA; KELLAM BARRY
权利人:ALCHEMIA PTY LTD
摘要:This invention relates to methods for synthesis of organic compounds, and in particular to compounds useful as protecting and linking groups for use in the synthesis of peptides, oligosaccharides, glycopeptides and glycolipids. The invention provides protecting and linking groups that are useful in both solid phase and solution synthesis, and are particularly applicable to combinatorial synthesis.

专利号:US-2024383844-A1
优先权日:2021-05-14
标 题:Meta-ester aromatic diamines, method for producing same, and polyimide having said meta-ester aromatic diamines as raw material
发明人：IMOTO MITSUTAKA; MIYATA YASUYUKI; TAKEDA MOTONORI; NISHIYAMA KAZUHIDE; YAMATO HITOSHI
权利人:SEIKA SANGYO CO LTD
摘要:[Problems] The purposes of the present invention are to provide a novel meta-type ester-containing aromatic diamines, a method for preparing the same, and a polyimide synthesis.[Solution] The present invention provides a compound represented by the following formula (1) and a method for preparing the same:In the formula (1), X is selected from the following structures (a), (b) and (c),wherein R1, R2, R3, and R4 in the formula (1) and R5, R6, R7, R8, R9 and R10 in (a), (b) and (c) are, independently of each other, a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms, or an alkoxy group having 1 to 3 carbon atoms, provided that at least one of R7, R8, R9 and R10 is the alkyl group or the alkoxy group.