CAS: 499-83-2; Pyridine-2,6-Dicarboxylic Acid

上下游产品

CAS号108-48-5 2,6-二甲基吡啶 | CAS号83693-15-6 cinnamic 6-carb... | CAS号1122-72-1 6-甲基-2-吡啶甲醛 | CAS号53710-17-1 2,6-二碘吡啶 | CAS号124-38-9 二氧化碳 | CAS号5431-44-7 2,6-吡啶二甲醛 | CAS号2893-33-6 2,6-吡啶二甲腈 | CAS号98-98-6 2-吡啶甲酸 | CAS号6893-30-7 dipicolinic aci... | CAS号112362-30-8 2,6-BIS(1-METHY... | CAS号455-00-5 2,6-双(三氟甲基)吡啶 | CAS号5431-44-7 2,6-吡啶二甲醛 | CAS号40054-01-1 6-(溴甲基)-2-吡啶甲醇 | CAS号3739-94-4 2,6-吡啶二甲酰氯 | CAS号4722-94-5 4-氯吡啶-2,6-二羧酸 | CAS号39977-44-1 6-羟甲基吡啶-2-羧酸甲酯 | CAS号909247-46-7 dimethyl 4-[(4-... | CAS号41337-81-9 6-羟基甲基-吡啶-2-羧酸乙酯 | CAS号4663-97-2 2,6-吡啶二甲酰胺

2,6-二甲基吡啶置于potassium Permanganate,硫酸体系中,用 水 作为反应溶剂,化学反应 5.0H,以91%的收率获得产物吡啶-2,6-二甲酸
参考文献:基于bis-1,8-萘二甲酰亚胺二联体的cu2 +离子选择性和灵敏荧光化学传感器.
标题:基于bis-1,8-萘二甲酰亚胺二联体的cu2 +离子选择性和灵敏荧光化学传感器.
摘要:制备,表征了一系列新型荧光化学传感器5A-5E,该传感器由两个氨基萘二甲酰亚胺荧光团和2,6-双((n-氨基烷基)氨基羧基)吡啶组成,并表征了它们对重金属和过渡金属(htm)离子的荧光特性.调查.化学传感器5C-5E对cu 2+离子具有其他选择性,对其他具有荧光猝灭作用(绿色至无色)的htm离子具有较高的灵敏度.它清楚地表明,氨基萘二甲酰亚胺和5A-5E的2,6-二羧基吡啶之间的连接基(二胺)的长度对于它们对cu 2+的敏感性和选择性非常重要. 离子超过其他htm离子.
DOI:10.1002/cjoc.201180481

专利信息

专利号:US-8735586-B2
优先权日:2007-06-26
标 题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
发明人：ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR
权利人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR; SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct copper catalyzed regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.

专利号:US-12263464-B2
优先权日:2018-03-14
标题 :Method for in-situ synthesis of metal organic frameworks (MOFs), covalent organic frameworks (COFs) and zeolite imidazolate frameworks (ZIFs), and applications thereof
发明人：PAHWA DEEPAK; PAHWA VARUN; CHOUDHARY ANIL KUMAR; SONIA; JHA VIVEK KUMAR; CHAUHAN ANJALI; YADAV ANNU
权利人:DESICCANT ROTORS INTERNATIONAL PRIVATE LTD
摘要:The present invention relates to a method for the in situ synthesis of of MOFs (metal organic frameworks), COFs (covalent organic frameworks), and ZIFs (Zeolitic imidazolate framework), onto and within different types of porous substrates, and their applications. The present invention provides a unique and easy to utilize method by which a number of MOFs, COFs and ZIFs can be synthesized directly onto and within a porous substrate with high performance efficiency ensuring higher grammage in formation of adsorbent product onto and within the substrate.

专利号:US-10604479-B2
优先权日:2013-11-18
标 题:Continuous process for the one-pot synthesis of metal salts and metal complexes
发明人：LEONARDI GIULIANO; GASPERONI GIOVANNI
权利人:VOLARE & CONNECTING LLC; LEONARDI GIULIANO; NOVUS INT INC
摘要:A continuous process is described for the one-pot synthesis of compounds, such as metal salts and metal complexes, as well as optionally for the protection of the compounds thus obtained by coating and/or impregnation with suitable compounds.

专利号:US-5883221-A
优先权日:1996-11-12
标题:Synthesis of polybenzoxasole and polybenzothiazole precursors
发明人：SEZI RECAI; KUEHN EBERHARD; AHNE HELLMUT; KOCMAN SUELEYMAN
权利人:SIEMENS AG
摘要:In a method of synthesis of polybenzoxazole and polybenzothiazole precursors, a dicarboxylic acid or a dicarboxylaic acid ester is reacted with a bis-o-aminophenol or bis-o-aminothiophenol in a suitable solvent in the presence of an activating reagent having the following structure: ##STR1##

专利号:EP-2173747-B1
优先权日:2007-06-26
标 题:A regioselective metal catalyzed synthesis of annelated benzimidazoles and azabenzimidazoles
发明人：ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARE MARC; R KYEN OMAR; URMANN MATHIAS; HALLAND NIS
权利人:SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, wherein R1; R2; R3; R4; J1; J2; J3; J4 and G have the meanings indicated in the claims. The present invention provides a direct metal, e.g. palladium or copper, catalyzed, regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.

专利号:US-6686485-B2
优先权日:2001-04-19
标题:Synthesis of coenzyme Q10, ubiquinone
发明人：WEST DANIEL DAVID
摘要:Processes for the stereospecific synthesis of coenzyme Q10, ubiquinone, are disclosed; a semi synthetic procedure using solanesol derived from tobacco waste as the starting material. The process of the invention results in high yields of isometrically useful compositions containing the optically pure isomers.