Category: 75449-26-2

On November 30, 2007, Wu, Chang-Ju; Chen, Ju-Na; Shi, Jing-Min published an article.Recommanded Product: 75449-26-2 The title of the article was Tris(3,3′-diamino-2,2′-bipyridine)zinc(II) dinitrate. And the article contained the following:

In the title complex, [Zn(C10H10N4)3](NO3)2, the six-coordinate ZnII atom lies at the intersection of three 2-fold axes in a slightly distorted octahedral coordination environment. The N atom of a nitrate anion is located on a 3-fold axis. In the crystal structure, intermol. N-H···N and N-H···O H bonds between cations and anions form a two-dimensional network perpendicular to the c axis. Crystallog. data and at. coordinates are given. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Recommanded Product: 75449-26-2

The Article related to mol structure zinc aminobipyridine nitrate, crystal structure zinc aminobipyridine nitrate, hydrogen bond zinc aminobipyridine nitrate, Crystallography and Liquid Crystals: Crystal Structure and other aspects.Recommanded Product: 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On January 7, 2011, Mueller, Marion K.; Petkau, Katja; Brunsveld, Luc published an article.Related Products of 75449-26-2 The title of the article was Protein assembly along a supramolecular wire. And the article contained the following:

Discotic mols. self-assemble into supramol. wires that act as platforms for directed protein assembly via appended biotin functionalities. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Related Products of 75449-26-2

The Article related to protein assembly supramol wire biotin streptavidin discotic monomer, General Biochemistry: Proteins and Their Constituents and other aspects.Related Products of 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Kaczmarek, Lukasz published an article in 1985, the title of the article was Bipyridines. Part XVI. Synthesis of novel 1,2,3,7-oxatriazepine and 1,2,3-triazine fused systems by the diazotization of [2,2′-bipyridine]-3,3′-diamine.Computed Properties of 75449-26-2 And the article contains the following content:

In the diazotization reaction of [2,2′-bipyridine]-3,3′-diamine the corresponding tetrazonium salt I was formed. I was transformed, depending upon pH of the post-reaction solution, into 3a,4,5,8a,9,10-hexaaza-3a,8a-dihydropyrene 3a-oxide (II) or 6-oxa-4,5,6a,10,11,11a-hexaaza-6,6a,11a-trihydrocyclohepta[d,e,f]phenanthrene (III). III is isomerized to II in acidic media. Both isomers were transformed in acid into a mixture of (3-nitrosamino-2-pyridyl)-2-pyridin-3-ol and (3-amino-2-pyridyl)-2-pyridin-3-ol. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Computed Properties of 75449-26-2

The Article related to oxahexaazacycloheptaphenanthrene, hexazapyrene oxide, oxatriazepine fused, triazine fused, bipyridinediamine diazotization, Heterocyclic Compounds (More Than One Hetero Atom): Other 7-Membered Rings and other aspects.Computed Properties of 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On August 31, 2011, Chisholm, Danielle M.; McDonald, Robert; McIndoe, J. Scott published an article.Recommanded Product: [2,2′-Bipyridine]-3,3′-diamine The title of the article was 3,3′-N,N’-Bis(amino)-2,2′-bipyridine – An unusually methylation-resistant amine. And the article contained the following:

Methylation of aromatic amino groups is usually straightforward, but the formation of two intramol. hydrogen bonds in 3,3′-N,N’-bis(amino)-2,2′-bipyridine and (or) the potential for ring methylation prevents the clean tetramethylation of this mol. Numerous attempts to make 3,3′-N,N’-bis(dimethylamino)-2,2′-bipyridine produced only complex mixtures of variously methylated products, and the only isolated mol. was 3,3′-N,N’-bis(methylamino)-2,2′-bipyridine, for which an X-ray crystal structure was obtained. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Recommanded Product: [2,2′-Bipyridine]-3,3′-diamine

The Article related to bisaminobipyridine methylation resistant amine, Physical Organic Chemistry: Addition, Elimination, and Substitution Reactions and other aspects.Recommanded Product: [2,2′-Bipyridine]-3,3′-diamine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On June 1, 2011, Danila, Ion; Riobe, Francois; Piron, Flavia; Puigmarti-Luis, Josep; Wallis, John D.; Linares, Mathieu; Agren, Hans; Beljonne, David; Amabilino, David B.; Avarvari, Narcis published an article.Electric Literature of 75449-26-2 The title of the article was Hierarchical Chiral Expression from the Nano- to Mesoscale in Synthetic Supramolecular Helical Fibers of a Nonamphiphilic C3-Symmetrical π-Functional Molecule. And the article contained the following:

The controlled preparation of chiral structures is a contemporary challenge for supramol. science because of the interesting properties that can arise from the resulting materials, and here we show that a synthetic nonamphiphilic C3 compound containing π-functional tetrathiafulvalene units can form this kind of object. We describe the synthesis, characterization, and self-assembly properties in solution and in the solid state of the enantiopure materials. CD measurements show optical activity resulting from the presence of twisted stacks of preferential helicity and also reveal the critical importance of fiber nucleation in their formation. Mol. mechanics (MM) and mol. dynamics (MD) simulations combined with CD theor. calculations demonstrate that the (S) enantiomer provides the (M) helix, which is more stable than the (P) helix for this enantiomer. This relationship is for the first time established in this family of C3 sym. compounds In addition, we show that introduction of the “wrong” enantiomer in a stack decreases the helical reversal barrier in a nonlinear manner, which very probably accounts for the absence of a “majority rules” effect. Mesoscopic chiral fibers, which show inverted helicity, i.e. (P) for the (S) enantiomer and (M) for the (R) one, have been obtained upon reprecipitation from dioxane and analyzed by optical and electronic microscopy. The fibers obtained with the racemic mixture present, as a remarkable feature, opposite homochiral domains within the same fiber, separated by points of helical reversal. Their formation can be explained through an “oscillating” crystallization mechanism. Although C3 sym. disk-shaped mols. containing a central benzene core substituted in the 1,3,5 positions with 3,3′-diamido-2,2′-bipyridine based wedges have shown peculiar self-assembly properties for amphiphilic derivatives, the present result shows the benefits of reducing the nonfunctional part of the mol., in our case with short chiral isopentyl chains. The research reported herein represents an important step toward the preparation of functional mesostructures with controlled helical architectures. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Electric Literature of 75449-26-2

The Article related to hierarchical chiral expression nanoscale mesoscale synthetic supramol helical fiber, Physical Organic Chemistry: Optical Rotatory Dispersion and Circular Dichroism and other aspects.Electric Literature of 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On May 13, 2015, Liu, Jun; Dou, Chuandong published a patent.Electric Literature of 75449-26-2 The title of the patent was Bis(boron-nitrogen-bridged) bipyridyl and organic/high polymer material prepared with the same. And the patent contained the following:

The present invention relates to a kind of bis(boron-nitrogen-bridged) bipyridyl (I, R1 is 4-20 alkyl group, R2, e.g., Ph, F, Et etc.), and organic/high polymer material prepared with the same, belonging to organic/high polymer area of solar cell. The object of the invention is to take classic pyrene unit as starting point to develop new BN receptor unit for further expanding receptor material system. The bis(boron-nitrogen-bridged) bipyridyl in this invention contains BN unit so that it has a number of advantages: such as complanation structure is conducive to orderly close accumulation of material mol., so as to increase mobility of material carrier; BN coordination has strong electron-drawing action, which is conducive to reducing mol. energy level; introducing alkyl chain with different lengths contributes to regulating material dissoly.; reaction site with functionalization can be used for preparing organic/high polymer material, and it has good application prospect if applied to solar cell. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Electric Literature of 75449-26-2

The Article related to boron nitrogen bridged bipyridyl organic polymer material solar cell, Chemistry of Synthetic High Polymers: Organic Condensation and Step Polymerization and other aspects.Electric Literature of 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On October 8, 2014, Yang, Yonggang; Li, Yi; Li, Baozong; Wang, Qingfeng published a patent.Application of 75449-26-2 The title of the patent was Chiral silsesquioxane containing arylene, manufacture method, and application in absorbent, chiral separation, and asymmetric catalysis. And the patent contained the following:

Title chiral silsesquioxane is homopolymer of I (OEt)3Si(CH2)mNHC(O)NHCH(R)C(O)NH-A-NHC(O)CH(R)NHC(O)NH(CH2)mSi(OEt)3; wherein R is residual group of valine, isoleucine, alanine, or phenylalanine, A is aromatic group of diamine, and m is integer of 3-10. Title manufacture method comprises the steps: (1) reacting Boc-protected amino acid with aromatic diamine to give Boc-protected intermediate; (2) deprotecting Boc group; (3) reacting deprotected intermediate with isocyanate (EtO)3Si(CH2)mNCO (m is integer of 3-10) to give monomer; and (4) polycondensing the monomer to obtain chiral silsesquioxane. Title chiral silsesquioxane has stable chem. property, simple production, and convenient use, has good adsorption effect on aryl compound and heavy metal ion, also has great application value in chiral resolution and asym. catalysis. In an example, I (R = iPr, A = biphenylene, m = 3) was manufactured from Boc-L-valine, 4,4′-diaminobiphenyl, and (3-isocyanato)propyltriethoxysilane; I was polymerized to give right-hand helical fiber with diameter 50-100 nm and length 2-10 μm. The obtained silsesquioxane 50 mg was added to nitrobenzene/cyclohexane solution (volume ratio 1:99) 850 μl; after 5 h, nitrobenzene 19.3 % was absorbed by silsesquioxane, which indicated that the silsesquioxane could be used as absorbent to absorb aromatic compound The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Application of 75449-26-2

The Article related to chiral silsesquioxane arylene manufacture absorbent resolution asym catalysis, Chemistry of Synthetic High Polymers: Organic Condensation and Step Polymerization and other aspects.Application of 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On January 16, 2002, Horikiri, Tomonari published a patent.HPLC of Formula: 75449-26-2 The title of the patent was Liquid crystal composition and liquid crystal device and liquid crystal apparatus including the composition. And the patent contained the following:

A liquid crystal composition is principally constituted by at least a liquid crystal and a gel-forming compound forming a gel with the liquid crystal. The gel-forming compound has a discotic liquid crystal phase and has a property of assuming a supermol. structure when it is in mixture with the liquid crystal. The supermol. structure may preferably have at least one intermol. interacting side having at least one -CONH- group allowing multidimensional intermol. interaction. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).HPLC of Formula: 75449-26-2

The Article related to liquid crystal display gelation agent intermol hydrogen bond, Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes: Other and other aspects.HPLC of Formula: 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Kaczmarek, Lukasz; Nantka-Namirski, Pawel published an article in 1979, the title of the article was Bipyridines. XI. Synthesis of 4,5-diazacarbazole.Category: pyridine-derivatives And the article contains the following content:

3,3′-Dinitro-2,2′-bipyridine (I) was reduced with SnCl2 in concentrated HCl to give 71% 3,3′-diamino-2,2′-bipyridine (II), which was also prepared in 34% yield by heating 2-chloro-3-acetylaminopyridine with Cu in DMF and subsequently deacetylating the product in acidic medium. Hydrogenation of I (Pd/C, 2.5 atm) converted both NO2 groups into NHOH groups in 79% yield; subsequent cyclization in polyphosphoric acid at 300° gave 77% III. II with H2SO4-HNO3 gave 40% IV (R = NO2), with PhNCO, 94% IV (R = CONHPh), with Ac2O, 65% IV (R = Ac, V), with CS2, 25% VI, and with ZnCl2 at 350-400°, 55% VII. V was converted in 70% yield into the N,N’-dioxide by the action of 3-ClC6H4CO3H. in vivo Biol. tests with sarcoma 180 and leukemias were neg. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).Category: pyridine-derivatives

The Article related to bipyridinediamine preparation reaction, diazacarbazole, dipyridopyrazine, dipyridodiazepinethione, dipyridopyrrole, neoplasm inhibitor bipyridinediamine derivative, Heterocyclic Compounds (More Than One Hetero Atom): Pyridazines, Cinnolines, and Phthalazines and other aspects.Category: pyridine-derivatives

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

On May 31, 2014, Zhao, Hongwu; Meng, Wei; Yang, Zhao; Tian, Ting; Sheng, Zhihui; Li, Hailong; Song, Xiuqing; Zhang, Yutong; Yang, Sen; Li, Bo published an article.SDS of cas: 75449-26-2 The title of the article was Organocatalytic Stereoselective Synthesis of 3-Alkyl-3-hydroxy-2-oxindoles Catalyzed by Novel Water-compatible Axially Unfixed Biaryl-based Bifunctional Organocatalysts. And the article contained the following:

In this work, six novel axially unfixed biaryl-based water-compatible bifunctional organocatalysts were designed and synthesized for the organocatalytic access to a variety of 3-alkyl-3-hydroxy-2-oxindole derivatives I (R1 = H, 5-O2N, 5-Br; R2 = H, Bn; R3, R4 = -(CH2)2-, -CH2OCH2-, -CH2SCH2-, etc.) via aldol reactions in water. Organocatalyzed by II, the direct aldol reactions of isatins with enolisable ketones underwent readily in water, furnishing the structurally diverse I in various stereoselectivities (up to>99% dr and >99% ee). Moreover, a plausible transition state of the conducted aldol reactions was hypothesized to shed light on the observed stereoselectivities of the obtained I. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).SDS of cas: 75449-26-2

The Article related to alkyl hydroxy oxindole enantioselective preparation, isatin ketone aldol biaryl organocatalyst water compatible, Heterocyclic Compounds (One Hetero Atom): Indoles, Indolizines, Carbazoles, and Other Arenopyrroles and other aspects.SDS of cas: 75449-26-2

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem