1. More specifically, the acetylene-based conductive polymer containing a pyridine salt has an acetylene structure to which a pyridine salt is bonded, wherein various substituents are substituted on a pyridine ring, and the pyridine salt is bonded to an acetylene main chain at the 2, 3 or 4 position of the pyridine salt.

2. Process for preparing pyridine-2,3-dicarboxylic acid compounds

3. Azine (ăz`ēn), IUPAC name for pyridine pyridine or Azine, C 5 H 5 N, colorless, flammable, toxic liquid with a putrid odor

4. Method for producing 2-halogen-pyridine-carboxylic acid amides

5. 2,2-Dithiobis (pyridine 1-oxide), addition product with magnesium sulphate trihydrate.

6. Pyridine can be replaced by the same amount of acetonitrile.

7. Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine.

8. Pyridine is added to ethanol to make it unsuitable for drinking.

9. Key words: pulsed-field ionization, ZEKE, photoelectron, ab initio, copper-pyridine complexes.

10. Acetylene-based conductive polymer containing pyridine salt, and electrical and electronic use thereof

11. Acros Organics AC132195000 Quinoline 96% (500 mL) CAS 91-22-5 (Benzo [b]pyridine)

12. Acid-base indicators result with hydroxyl ions or with pyridine, quinoline, dioxane, hydroxylamine, hydrazine.

13. The carbon analog of pyridine, benzene, has only one proton signal at 7.27 ppm.

14. Composed primarily of such organic bases as Acridine, phenanthridine, pyridine, quinoline and their alkyl derivatives

15. Made to Acetylate wood with vapors from a pyridine-acetic anhydride solution (vapor-phase treatment)

16. Novel 2-ethyl-methyl-amino-3-amido-6-amino-pyridine derivatives useful as potassium channel activators

17. Dilution of the solution or addition of pyridine DMSO, or other polar compounds accelerates the reaction.

18. TCA was decarboxylated with strong alkali and converted with pyridine to a Schiff's base (Fujiwara reaction).

19. Acidic hydrolysis leads to the 1,5,6,7-tetrahydro-pyrido[4,3-b]-pyridine-5,7-diones VII and VIII.

20. Strong acids, bases and indirectly also ammonia may be determined against the indicator II, whereas indicator I can be employed in the determination of picric acid in acetone, and pyridine as well as of 2,4-dinitrophenol in pyridine.

21. The acid soluble fraction was fractionated by high voltage paper electrophoresis in a pyridine-acetic acid-buffer.

22. A practically saturated solution of salicylic acid in pyridine is a good reagent for identifying copper ions.

23. The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.

24. In unprepared foods, niacin is present mainly in the form of the cellular pyridine nucleotides NAD and NADP.

25. In addition to benzene, acetylene and ethene, pyridine also decomposes on ruthenium surfaces, leaving bound fragments on the surface.

26. Acetonitrile nitrogen is quite weakly basic but in this respect, it can be very nucleophilic, quite similar to pyridine.

27. The lubricative fluid contains water, pyridine, squalene, urea, acetic acid, lactic acid, complex alcohols and glycols, ketones, and aldehydes.

28. This colorless, water-soluble solid is a derivative of pyridine, with a carboxyl group (COOH) at the 3-position.

29. The maximum formation of 3-acetyl-6-pyridine occured during the fourth hr after the injection of 3-acetylpyridine.

30. Complex (PAlpyP)Rh(CO)2 possesses an Aluminyl site stabilized by coordination of pyridine, resulting in a four-coordinate Al

31. Alkaloids are divided into the several large groups, such as pyrrolidine, pyridine, quinoline, isoquinoline, indole, quinazoline, and so forth (Azimova, 2013).

32. Non-fluorine-containing mixed boron trihalide adducts of pyridine also form haloboron cations by heaviest-halide-ion displacement, for example pyr

33. In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.

34. Boranes are available as Borane-Lewis base complexes, for example, Borane-THF, Borane-dimethylamine, Borane-dimethyl sulphide, Borane-pyridine, and Borane-diphenylphosphine.

35. Boranes are available as borane-Lewis base complexes, for example, borane-THF, Borane-dimethylamine, borane-dimethyl sulphide, borane-pyridine, and borane-diphenylphosphine.

36. The Lewis acids, forming addition compounds with pyridine, are arranged according to increasing acceptor strength using the results of the Hückel-calculations.

37. Ideal for chemicals that are functionalized with strong amine groups, GreenSep Ethyl Pyridine provides flexibility for the SFC Chromatographer with mobile phase

38. Karl Fischer Aqualine™ Solvent, for Karl Fischer Titration By Volumetry, Fisher Chemical™ Solvent for two-component system; Pyridine free Specifications

39. An intermediate of bone resorption inhibitor risedronate sodium, 3 pyridine acetic acid hydrochloride, was synthesized from ethyl nicotinate via reduction, chlorination, cyanation and hydrolysis.

40. The crude Anthracene cake is purified by treatment with the higher pyridine bases, the operation being carried out in large steam-jacketed boilers

41. The Biodegradation pathway of pyridine, a notorious toxicant, is relatively unexplored, as no genetic data related to this process have ever been presented

42. Regarding its ecological importance, alkaloid Biosynthesis is a complex process that involves several enzymatic steps ().Nicotine has two ring moieties, a pyrrolidine ring and a pyridine ring, derived from two branch pathways (18, 27).The pyridine ring of nicotine is derived from nicotinic acid, whereas the pyrrolidine ring originates from polyamine putrescine metabolism, which is gradually

43. Bis(2,4-dichlorophenyl) phosphate mediates an efficient one-pot preparation of alkyl Azides from alkanols in the presence of 4-(dimethylamino)pyridine as a base.

44. Attempts to the three-coordinate Aluminyl by abstraction of pyridine with BF3 Et2O unexpectedly led to the B/Al metathesis with the preservation of the …

45. Photomechanical Azobenzene co-crystals 17–21 were developed by constructing halogen bonds between halogenated Azobenzene as a donor and a pyridine compound as an accepter

46. Heating 2-methyleneglutaronitrile with an alkaline ion exchanger, pyridine and water to 150 °C in an autoclave yields the lactam 5-cyano-2-piperidone in 80% yield.

47. The synthetic Auxins include the following herbicide families: benzoic acids, phenoxycarboxylic acids, pyridine carboxylic acids, and quinoline carboxylic acids that act similar to that of endogenous plant auxin

48. The main active constituents extracted from the seeds/nuts are the alkaloids which are reduced pyridine derivatives i.e Arecoline (0.1-0.5%), Arecaine, Arecaidine, isoguvacine, norarecaidine, norarecoline, guvacoline and Guvacine

49. With pyridine as catalyst, the yield was raised from 6%(under traditional calefaction) to 6%(under microwave irradiation), and the reaction time was decreased to 1/100 times.

50. Other names: Acrydine; Benzo[b]quinoline; Dibenzo[b,e]pyridine; 10-Azaanthracene; 2,3-Benzoquinoline; 9-Azaanthracene; Akridin; UN 2713; NSC 3408; Acridine (Carbamazepine M) Permanent link for this species

51. The Castro–Stephens coupling is a cross coupling reaction between a copper(I) acetylide and an aryl halide in pyridine, forming a disubstituted alkyne and a copper(I) halide.

52. In 1,3-Dimethyl-uracilen kann, wie an den im Schema wiedergegebenen Beispielen gezeigt wird, der N-CO-N-Teil durch einen C-C-N-Teil eines Acetamids ersetzt werden, wodurch 2,6-Dihydroxy-pyridine

53. In the four solvents studied (nitromethane, acetonitrile, acetone, and pyridine), the large crown ether wraps around the potassium cation and expels the conjugate anion and the solvent molecules from the cation coordination sphere.

54. The specificity of the Barrnett-Seligman method for the histochemical demonstration of alpha-Acylamido carboxyl groups (C terminal) of proteins is dependent on the conversion of such groups to ketones by the action of acetic anhydride and absolute pyridine.

55. The specificity of the Barrnett-Seligman method for the histochemical demonstration of α-Acylamido carboxyl groups (C terminal) of proteins is dependent on the conversion of such groups to ketones by the action of acetic anhydride and absolute pyridine

56. The specificity of the Barrnett-Seligman method for the histochemical demonstration of α-Acylamido carboxyl groups (C terminal) of proteins is dependent on the conversion of such groups to ketones by the action of acetic anhydride and absolute pyridine.

57. Caffeoyl Azides, 2-azidoethyl diacetyl caffeate 11 and N-(2-azidoethyl) diacetyl caffeamide 12 (Scheme 2), were obtained similar to their cinnamyl analogs by condensing diacetylcaffeoyl chloride with either 2-azidoethanol or 2azidoethanamine in pyridine/C[H.sub.2][Cl.sub.2] [37].

58. Azine [ ăz ′ēn′, ā ′zēn′ ] Any of various organic compounds, such as pyridine or pyrimidine, that have a ring structure like that of benzene but with one or more carbon atoms replaced by a nitrogen atom. Azines are heterocyclic compounds.

59. Highly impure residues obtained from an extract of alkalinized tissues can be purified by dissolving the residue in 5 ml of sulphuric acid (pH 5) and heating the solution on water bath with 0.1 g ninhydrin and 1.5 ml pyridine for one hour.

60. The following spot tests for the isomeric aminobenzoic acids are described: identification of o-aminobenzoic acid by fluorescence of the alkali salts, identification of m-aminobenzoic acid by condensation with pyridine-2-aldehyde, and identification of the p-isomer by oxidation with alkali bromate.

61. We have recently reported the synthesis of rhodium complexes that bear X-type Aluminyl ligands together with preliminary results on the C2- and mono-selective alkylation of pyridine with alkenes catalyzed by a Rh–Al complex [11,12].Herein, we report further developments of this transformation through optimization of the catalyst structure and reaction conditions to expand the scope of

62. The present invention provides metal-organic materials, more specifically organometallic polymers, comprising polypyridyl organic ligands such as tetrakis(4-(pyridin-4-ylethynyl)phenyl)methane, tetrakis(4-(2-(pyridin-4-yl)vinyl)phenyl)methane,,3,5,7-tetrakis(4-(pyridin-4-ylethynyl)phenyl)adamantane or 1,3,5,7-tetrakis(4-(2-(pyridine-4-yl)vinyl)phenyl) adamantine, and metal ions structurally coordinated with said ligands, and having three-dimensional crystalline micro or sub-micro structure; as well as a method for the preparation thereof.

63. The invention relates to the use in non-linear optics of azo dyes of formula I and the use of polymers containing azo dyes which include as characteristic monomer units bivalent groups derived from an azo dye of formula (I) wherein: D represents the residue of a diazo component derived from an aniline or from a five-membered aromatic heterocyclic amine whose heterocyclic ring includes one to three heteroatoms chosen from the group nitrogen, oxygen and sulphur and which can be anellated by a benzene, thiophene, pyridine or pyrimidine ring; R?