oxazine in a sentence

1. The structure of phenoxazine consists of an oxazine fused to two benzene rings.
2. It is classified as an oxazine dye.
3. A commercially available dihydro-1, 3-oxazine is a reagent in the Meyers synthesis for aldehydes.
4. The starting compound is a dihydro-1, 3-oxazine with an alkyl group in the 2 position.
5. By extension, the derivatives are also referred to as oxazines; examples include ifosfamide and morpholine ( tetrahydro-1, 4-oxazine ).
6. It's difficult to find oxazine in a sentence.
7. When subjected to sunlight, the main products that resulted from photodegredation are 2-hydroxybenzaldehyde and 3-methylbenzo [ e-1, 3 ] oxazine-2-4-dione.
8. 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.
9. 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.
10. 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.