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oxazine meaning

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  • /okˈsə-zēn/
      noun
      Any of several isomeric compounds having the formula C4H5NO, with the nitrogen, oxygen and carbon atoms arranged in a ring
      ORIGIN: oxy-2, and azine

  • [Medicine]
    n : any of several parent compounds C4H5NO containing a ring composed of four carbon atoms, one oxygen atom, and one nitrogen atom

Examples

  • The structure of phenoxazine consists of an oxazine fused to two benzene rings.
  • It is classified as an oxazine dye.
  • A commercially available dihydro-1, 3-oxazine is a reagent in the Meyers synthesis for aldehydes.
  • The starting compound is a dihydro-1, 3-oxazine with an alkyl group in the 2 position.
  • By extension, the derivatives are also referred to as oxazines; examples include ifosfamide and morpholine ( tetrahydro-1, 4-oxazine ).
  • When subjected to sunlight, the main products that resulted from photodegredation are 2-hydroxybenzaldehyde and 3-methylbenzo [ e-1, 3 ] oxazine-2-4-dione.
  • For example, the spiro form of an oxazine is a colorless leuco dye; the conjugated system of the oxazine and another aromatic part of the molecule is separated by a sp�-hybridized " spiro " carbon.
  • For example, the spiro form of an oxazine is a colorless leuco dye; the conjugated system of the oxazine and another aromatic part of the molecule is separated by a sp�-hybridized " spiro " carbon.
  • After irradiation with UV light, the bond between the spiro-carbon and the oxazine breaks, the ring opens, the spiro carbon achieves sp� hybridization and becomes planar, the aromatic group rotates, aligns its �-orbitals with the rest of the molecule, and a conjugated system forms with ability to absorb photons of visible light, and therefore appear colorful.

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