2901-77-1
N-Acetyl-DL-Tyrosine
CAS: 2901-77-1
Molecular Formula: C11H13NO4
2901-77-1 - Names and Identifiers
2901-77-1 - Physico-chemical Properties
| Molecular Formula | C11H13NO4 |
| Molar Mass | 223.23 |
| Density | 1.304±0.06 g/cm3(Predicted) |
| Melting Point | 90 °C |
| Boling Point | 531.3±45.0 °C(Predicted) |
| pKa | 3.15±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Physical and Chemical Properties | Sealed in dry,Room Temperature |
2901-77-1 - Determination of N-acetyl-L-tyrosine and L-tryptophan in 18 compound amino acid injections
from VIP
Author:
Abstract:
two kinds of amino acids N-acetyl-L-tyrosine and L-tryptophan in 18 kinds of compound amino acid injection were quantitatively studied by HPLC: alltmac C18 column, mobile phase: pH 7.3 phosphate buffer-methanol (90:10), detection wavelength 276nm, flow rate 0.6ml/min, the results showed that the concentration of 14.5~72.7 μg/ml showed a good linear relationship, the correlation coefficient r = 0.9999,RSD = 1.3%, the average recovery rate was 99.88%.
Key words:
high performance liquid chromatography amino acids injection L-tryptophan
DOI:
CNKI:SUN:SHYW.0.1998-03-012
cited:
year:
1998
Last Update：2024-01-02 23:10:35
2901-77-1 - Synthesis, structure and properties of two pure cobalt (Ⅱ) complexes based on N-acetyl-L-tyrosine
from VIP Journal Professional Edition
Author:
Maying , Song Huihua , Yu Haitao
Abstract:
two pure chiral complexes {[Co(acty)(bpp)) were synthesized by solution method using chiral ligand N-acetyl-L-tyrosine (Hacty) and cobalt salt 2(H2O)2](NO3)· 2H2O}n(1) and {[Co2(acty)2(bpe)3(H2O)3](Cl O4)2 · 4H2O}n(2)(bpp = 1,3-(4-pyridine) propane, bpe = 1,2-(4-pyridine) ethane), and they were elemental analysis (EA), infrared spectroscopy (IR), Ultraviolet Spectroscopy (UV), thermogravimetric (TG), powder X-ray diffraction (PXRD). And X-ray single crystal diffraction determination. Complex 1 belongs to the monoclinic P21 space group, the six coordination of Co (II) ions by the bpp ligand to form a one-dimensional right hand helix chain structure. Complex 2 belongs to the three triclinic P1 space group, the six coordination of the binuclear Co (II) ions by the bpe ligand to form a one-dimensional band chain structure. Under the action of hydrogen bonds, they all form three-dimensional supramolecular structures. The effects of N-containing auxiliary ligands with different configurations on the structure of the complexes are discussed in depth. In addition, circular dichroism (CD) spectra of two chiral complexes were measured.
expand
Key words:
cobalt complex N-acetyl-L-tyrosine crystal structure pure chiral complex
cited:
year:
2016
Last Update：2023-08-16 22:09:08
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