hydrazone|hydrazones in English

noun

type of chemical compound

Use "hydrazone|hydrazones" in a sentence

Below are sample sentences containing the word "hydrazone|hydrazones" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "hydrazone|hydrazones", or refer to the context using the word "hydrazone|hydrazones" in the English Dictionary.

1. Key words: isoindolinones, asymmetric synthesis, hydrazones, 1,2-addition, N—N bond cleavage.

2. The coordination modes of various Azines (C=N–N=C) and hydrazones (C=N–NR 2) with titanium(IV) are investigated.Five ligands were studied, two hydrazones 1H–2H and three Azines 3H 2 –5H 2, and it was found that hydrazones form monomers and Azines form dimers in the solid state.The hydrogen‐bonded arrays observed for the hydrazones were significantly different for the two ligands

3. 5-Arylazo-8-quinolinols exhibit azo–hydrazone tautomeric equilibria but their complexes exist only in the azo form. β-Alkoxycarbonylethyltin alizarinates are somewhat different from other complexes.

4. Thus the following reactions were observed: 3-acetyl-5,6-dihydro-2-methyl-1,4-oxathiin on treatment with hydrazine gives 4-(2-hydroxyethylthio)-3,5-di-methylpyrazole, instead of the hydrazone.

5. This hydrazone seems to be a convenient starting material in the synthesis of anthracene derivatives and compounds incorporating anthracenic fragments, but is itself as a conjugated donor acceptor system a material with interesting physical properties.

6. The ketol (VIII) was also oxidized with chromic oxide to the Bilianic acid (III) from which the hydrazone (IV) was prepared, confirming the positions of the oxygen atoms in this intermediate as well as in hyocholic acid and Acid I

7. HPLC with 10 µm silyl and 10µm nitrile stationary phases (Micro Pak Si-10 Si and MicroPak CN, respectively) and Anisocratic Hydrazones: Rifampicin mobile phase consisting of a mixture of rifampicin quinone chloroform and methanol of varying proportions.

8. The unsymmetrical and symmetrical Azines prepared by condensation of benzophenone hydrazone with (di)aldehydes with thiophene rings were reported in this study The structures of obtained compounds were characterized by FTIR, 1 H NMR, and 13 C NMR spectroscopy as well as elemental analysis.

9. The unsymmetrical and symmetrical Azines prepared by condensation of benzophenone hydrazone with (di)aldehydes with thiophene rings were reported in this study The structures of obtained compounds were characterized by FTIR, 1 H NMR, and 13 C NMR spectroscopy as well as elemental analysis

10. The data collected so far allow conclusions to be drawn for (a) tyrosinemia type I (TYR I) and (b) propionic acidemia, methylmalonic aciduria and vitamin B12 related disorders (PA/MMA/B12). (a) Succinylacetone (instead of the unspecific tyrosine) as the diagnostic metabolite marker for TYR I is derivatized to hydrazone and simultaneously analyzed with amino acids and acylcarnitines by electrospray ionization tandem mass spectrometry. (b) In newborns suspected of having PA/MMA/B12 due to elevated concentrations of propionylcarnitine (C3), methylmalonic acid (MMS) and 3-OH-propionic acid (3-OH-PS) were quantified in a second tier testing using the identical filter card by liquid chromatography tandem mass spectrometry. (a) Out of 480,000 newborns 3 were identified as having TYR I.