hetero compounds
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scholarly journals SYNTHESIS, CHARACTERIZATION AND CYCLAZATION OF PYRAN USING Ag2O NANOPARTICLE FROM NATURAL SOURCE “GINGER”

2021 ◽  
Vol 52 (5) ◽  
pp. 1171-1184
Author(s):  
Ruaa M. D.
Keyword(s):  
Heterocyclic Compounds ◽  
Coupling Reaction ◽  
Chemical Separation ◽  
Zingiber Officinale ◽  
Chemical Characteristics ◽  
High Productivity ◽  
Transmission Electron ◽  
Simple Chemical ◽  
Ag2o Nanoparticles ◽  
Hetero Compounds

This study was aimed to synthesis Ag2O nanoparticles (N.P.s) utilizing the Ginger plant (Zingiber officinale) extract. As catalysts for pyran derivatives formation employing a three-component coupling reaction among aromatic and aliphatic aldehydes, malononitrile, and dimedone. The nanoparticles exhibit robust catalytic activity with high productivity. Results revealed that Ag2O NPs improved various vital features, like higher yields, reaction time, simple chemical separation, catalytic economic efficiency, and quick process. This study aimed to cyclize heterocyclic compounds to provide new hetero compounds applying nano-oxides obtained from natural (unmanufactured) sources and used in several medical, pharmaceutical, and industrial implementations. The outcomes nanoparticles were examined by Fourier Transform Infrared spectroscopy (FTIR) and transmission electron microscopy (T.E.M.); the chemical characteristics of the outcome compounds were tested by spectroscopy techniques (FTIR spectroscopy and 1H-NMR).

Group Composition of Hydrocarbons and Hetero Compounds in Stepwise-Thermolysis Products of Asphaltenes from Usa Oil

2018 ◽  
Vol 58 (3) ◽  
pp. 179-185 ◽  
Author(s):  
D. S. Korneev ◽  
V. N. Melenevskii ◽  
G. S. Pevneva ◽  
A. K. Golovko
Keyword(s):  
Group Composition ◽  
Hetero Compounds

Biogenic oxidation of the high-viscosity oil of the Ashal’chinskoe field and its hetero compounds

2017 ◽  
Vol 57 (8) ◽  
pp. 649-656 ◽  
Author(s):  
D. A. Filatov ◽  
E. B. Krivtsov ◽  
N. N. Sviridenko ◽  
A. K. Golovko ◽  
L. K. Altunina
Keyword(s):  
High Viscosity ◽  
High Viscosity Oil ◽  
Hetero Compounds

A composition of organic hetero compounds as an antioxidant and antiwear additive for mineral lubricating oils

2013 ◽  
Vol 53 (4) ◽  
pp. 262-266 ◽  
Author(s):  
A. V. Zolotov ◽  
G. N. Kuz’mina ◽  
V. A. Zolotov ◽  
R. V. Bartko ◽  
A. G. Sipatrov ◽  
...  
Keyword(s):  
Antiwear Additive ◽  
Lubricating Oils ◽  
Hetero Compounds

ChemInform Abstract: Polycyclic N-Hetero Compounds. Part 35. Syntheses and Anti-Platelet Aggregation Activity of 5,6-Dihydro-4H-benzo(3,4)cyclohept(1,2-e) imidazo(1,2-c)pyrimidines with an Oxygen Function at the 1-Position.

ChemInform ◽  
2010 ◽  
Vol 22 (30) ◽  
pp. no-no
Author(s):  
K. SASAKI ◽  
Y. SEKIYA ◽  
T. NAGAMATSU ◽  
H. OHTOMO ◽  
T. NAKAYAMA ◽  
...  
Keyword(s):  
Platelet Aggregation ◽  
Aggregation Activity ◽  
Hetero Compounds

ChemInform Abstract: Polycyclic N-Hetero Compounds. Part 36. Syntheses and Antidepressive Evaluation of 11,13,15,17-Tetraazasteroids (VI) and Their 17-Oxides ( VII).

ChemInform ◽  
2010 ◽  
Vol 22 (31) ◽  
pp. no-no
Author(s):  
T. HIROTA ◽  
K. SASAKI ◽  
H. YAMAMOTO ◽  
T. NAKAYAMA
Keyword(s):  
Hetero Compounds

ChemInform Abstract: Polycyclic N-Hetero Compounds. Part 42. Convenient Syntheses of 6,7- Dihydro-5H-pyrido(2,3-b)pyrimido(4,5-d)azepine as a Novel Polyheterocyclic Ring System and Its 4-Substituted Derivatives.

ChemInform ◽  
2010 ◽  
Vol 23 (19) ◽  
pp. no-no
Author(s):  
T. NAGAMATSU ◽  
Y. HANTANI ◽  
M. TAKAISHI ◽  
K. SASAKI ◽  
T. HIROTA
Keyword(s):  
Ring System ◽  
Hetero Compounds
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