enow.com Web Search

  1. Ad

    related to: 6 methylpyridine 2 carboxaldehyde 3 5 4
    • Advanced Search

      Enter the Required Details To

      Search For Product & Content Data.

    • Sign In

      Sigma® Life Science

      View contract pricing, get quotes

Search results

  1. Results from the WOW.Com Content Network
  2. Pralidoxime - Wikipedia

    en.wikipedia.org/wiki/Pralidoxime

    Pralidoxime, 2-pyridinaldoxime methylchloride, is prepared by treating pyridine-2-carboxaldehyde with hydroxylamine. The resulting pyridine-2-aldoxime is alkylated with methyl iodide giving pralidoxime as the iodide salt. [3] [4] [5] [6]

  3. Pyridine - Wikipedia

    en.wikipedia.org/wiki/Pyridine

    Pyridine-borane (C 5 H 5 NBH 3, melting point 10–11 °C) is a mild reducing agent. structure of the Crabtree's catalyst. Transition metal pyridine complexes are numerous. [108] [109] Typical octahedral complexes have the stoichiometry MCl 2 (py) 4 and MCl 3 (py) 3. Octahedral homoleptic complexes of the type M(py) + 6 are rare or tend to ...

  4. 2-Bromopyridine - Wikipedia

    en.wikipedia.org/wiki/2-Bromopyridine

    2-Bromopyridine reacts with butyllithium to give 2-lithiopyridine, [2] which is a versatile reagent. [3] Pyrithione can be prepared in a two-step synthesis from 2-bromopyridine by oxidation to the N-oxide with a suitable peracid followed by substitution using either sodium dithionite or sodium sulfide with sodium hydroxide to introduce the thiol functional group.

  5. Pyridinecarboxylic acid - Wikipedia

    en.wikipedia.org/wiki/Pyridinecarboxylic_acid

    2-pyridinecarboxylic acid 3-pyridinecarboxylic acid 4-pyridinecarboxylic acid Structural Formula: CAS Registry Number: 98-98-6 59-67-6 55-22-1

  6. 2-Methylpyridine - Wikipedia

    en.wikipedia.org/wiki/2-Methylpyridine

    2-Methylpyridine, or 2-picoline, is the compound described with formula C 6 H 7 N. 2-Picoline is a colorless liquid that has an unpleasant odor similar to pyridine. It is mainly used to make vinylpyridine and the agrichemical nitrapyrin .

  7. Pyridyne - Wikipedia

    en.wikipedia.org/wiki/Pyridyne

    Two isomers exist, the 2,3-pyridine (2,3-didehydropyridine) and the 3,4-pyridyne (3,4-didehydropyridine). The reaction of 3-bromo-4-chloropyridine with furan and lithium amalgam gives 1,4-epoxy-dihydroquinoline through the 2,3-pyridyne intermediate. The reaction of 4-bromopyridine with sodium in liquid ammonia gives both 3-aminopyridine and 4 ...

  8. Chichibabin pyridine synthesis - Wikipedia

    en.wikipedia.org/wiki/Chichibabin_pyridine_synthesis

    The syntheses are presently conduced commercially in the presence of oxide catalysts such as modified alumina (Al 2 O 3) or silica (SiO 2). The reactants are passed over the catalyst at 350-500 °C. 2-Methylpyridine- and 4-methylpyridine are produced as a mixture from acetaldehyde and ammonia.

  9. Picoline - Wikipedia

    en.wikipedia.org/wiki/Picoline

    [4] [5] By 1870, the German chemist Adolf von Baeyer had synthesized picoline in two ways: by the dry distillation of acroleïnammoniak (CH 2 =CH-CH=N-CHOH-CH=CH 2) [6] and by heating tribromallyl (1,2,3-tribromopropane) with ammonia in ethanol. [7] In 1871, the English chemist and physicist James Dewar speculated that picoline was ...

  1. Ad

    related to: 6 methylpyridine 2 carboxaldehyde 3 5 4