scholarly journals Absorption Spectra of the 4f Electron Transitions of the Praseodymium Complex with 1-Cyclopropyl-6-fluoro-1, 4-dihydro-7-(4-ethyl-1-piperazinyl)-4-oxo-3-quinoline Carboxylic Acid Hydrochloride and Its Analytical Application.

2001 ◽  
Vol 17 (9) ◽  
pp. 1091-1094 ◽  
Author(s):  
Naixing WANG ◽  
Wei JIANG ◽  
Zhikun SI ◽  
Fuxiang LIU ◽  
Quanjie MEN ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Absorption Spectra ◽  
Analytical Application ◽  
Electron Transitions ◽  
Quinoline Carboxylic Acid ◽  
Acid Hydrochloride ◽  
Praseodymium Complex

Study of the absorption spectra of the 4f electron transitions of the praseodymium complex with ciprofloxacin and its analytical application

The Analyst ◽  
2001 ◽  
Vol 126 (8) ◽  
pp. 1440-1443 ◽  
Author(s):  
Jiang Wei ◽  
Wang Naixing ◽  
Si Zhikun ◽  
Liu Fuxiang ◽  
Wu Bo ◽  
...  
Keyword(s):  
Absorption Spectra ◽  
Analytical Application ◽  
Electron Transitions ◽  
Praseodymium Complex

scholarly journals Application of Pfitzinger Reaction in Synthesis of Hetero Ring Annelated Quinoline Carboxylic Acid Derivatives

2016 ◽  
Vol 28 (6) ◽  
pp. 1177-1180
Author(s):  
Taruna Yadav ◽  
Neelam K. Yadav ◽  
Manju Yadav ◽  
Bhawani Singh ◽  
D. Kishore
Keyword(s):  
Carboxylic Acid ◽  
Pfitzinger Reaction ◽  
Quinoline Carboxylic Acid

Furan and Thiophene Analogs of Phenanthrene A Theoretical Study of the Absorption Spectra of Benzodifurans, Benzodithiophenes and Thienobenzofurans

1971 ◽  
Vol 26 (12) ◽  
pp. 1235-1240 ◽  
Author(s):  
L. Klasinc ◽  
J. V. Knop
Keyword(s):  
Absorption Spectra ◽  
Theoretical Study ◽  
Oscillator Strengths ◽  
Electron Transitions ◽  
Good Agreement ◽  
Lcao Mo

The LCAO -MO -SCF -CI method was applied to benzo(1,2-b : 4,3-b′) -difuran and -dithiophene, benzo (2,1-b : 3,4-b′) -difuran and -dithiophene, benzo (1,2-b : 3,4-b′) -difuran and -dithiophene, thieno (2,3-e) benzofuran, thieno (3,2-e) benzofuran, thieno (3,2-g) benzofuran, thieno (2,3-g) benzofuran, benzofuran, benzothiophene and phenanthrene. The calculated π-electron transitions and their oscillator strengths are in good agreement with known absorption spectra. The resemblance of these spectra to the absorption spectra of phenanthrene and phenanthrolines is discussed.

Some studies in inorganic complexes. XXV. Cobalt(II) and nickel(II) complexes of 2-Acetamidopyridine and 2-Aminomethyl-6-rnethylpyridine, and the cobalt(II) complex of 2-Methylpyridine-6-carboxylic acid

1969 ◽  
Vol 22 (9) ◽  
pp. 1841 ◽  
Author(s):  
KH Shaw ◽  
GJ Sutton
Keyword(s):  
Magnetic Properties ◽  
Carboxylic Acid ◽  
Absorption Spectra ◽  
Infrared Spectra ◽  
Reflectance Spectra ◽  
Inorganic Complexes

Complexes of cobalt(II) and nickel(II) with the ligands 2- acetamidopyridine (acpy) and 2-aminomethyl-6-methylpyridine (mepic) have been prepared and studied. They included [Co(acpy)2X2], [Co(mepic)2X2], [Ni(acpy)2X2], and [Ni-(mepic)2X2], in which X is Cl, Br, I, or NCS; [Co(acpy)2(NO3)2], [Co(mepic)2(NO3)2], [Ni(acpy)2(NO3)2], [Ni(mepic)3NO3]NO3, [Co(acpy)3](ClO4)2, [Co(mepic)3](ClO4)2, [Co(mepic)3](CoCl4), [Ni(acpy)2(H2O)2](ClO4)2, and [Ni(mepic)2(H2O)2](ClO4)2. The inner complex of 2-methylpyridine-6- carboxylic acid [Co(mepiac)2,2H2O)] was also isolated. In all cases, the magnetic properties, conductances, reflectance spectra, absorption spectra, and infrared spectra are in agreement with the concept that they are spin-free, six-coordinate octahedral complexes. The substance [Ni(mepic)2NO3]NO3 contains both bidentate and ionic nitrate.

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