ISOLATION AND IDENTIFICATION OF TWO PHENAZINES FROM A STRAIN OF PSEUDOMONAS AUREOFACIENS

1965 ◽  
Vol 43 (9) ◽  
pp. 1055-1062 ◽  
Author(s):  
J. I. Toohey ◽  
C. D. Nelson ◽  
G. Krotkov
Keyword(s):  
Carboxylic Acid ◽  
Absorption Spectra ◽  
Infrared Absorption ◽  
Chemical Properties ◽  
The Other ◽  
Isolation And Identification ◽  
Pseudomonas Aureofaciens ◽  
Infrared Absorption Spectra

A method is described for the purification of two phenazine compounds from cultures of a strain of Pseudomonas aureofaciens. The chemical properties of the compounds are described and the ultraviolet, visible, and infrared absorption spectra are shown. One compound is identified as phenazine-1-carboxylic acid and the other is probably 2-hydroxyphenazine-1-carboxylic acid.

THE PAPILIONACEOUS ALKALOIDS: XVIII. LUPINUS SERICEUS PURSH.

1953 ◽  
Vol 31 (2) ◽  
pp. 181-186 ◽  
Author(s):  
Léo Marion ◽  
Nelson J. Leonard ◽  
Barry P. Moore
Keyword(s):  
Absorption Spectra ◽  
Infrared Absorption ◽  
The Other ◽  
Hydroxyl Group ◽  
Infrared Absorption Spectra ◽  
Lupinus Sericeus

The plant investigated has been found to contain at least five alkaloids, three of which, l-sparteine, d-lupanine, and d-α-isolupanine, are of known structure. The remaining two are both isomeric with hydroxylupanine. One of these, lupilaxine, was identical with a base previously reported as occurring in Lupinuslaxus. The other, lupanoline, appeared to be new. Both these alkaloids were shown by their infrared absorption spectra to contain, like hydroxylupanine, one hydroxyl group and one carbonyl.

Vibrational spectra and proposed crystal structure of some tetraphenylarsonium compounds

1970 ◽  
Vol 48 (16) ◽  
pp. 2637-2639 ◽  
Author(s):  
L. K. Walford ◽  
Richard J. Blattner ◽  
Stephen Feldman ◽  
R. L. Bain
Keyword(s):  
Crystal Structure ◽  
Crystal Field ◽  
Absorption Spectra ◽  
Infrared Absorption ◽  
Vibrational Spectra ◽  
The Other ◽  
X Ray Diffraction ◽  
X Ray ◽  
Unit Cells ◽  
Infrared Absorption Spectra

The crystal structures of (C6H5)4AsBF4, (C6H5)4AsPF6, (C6H5)4AsAsF6, and (C6H5)4AsSbF6 have been studied by X-ray diffraction. The unit cells are all tetragonal. The fluoroborate compound is probably isostructural with (C6H5)4AsFeCl4. The other three compounds are almost isostructural with (C6H5)4AsFeCl4, the only change being the accommodation of the dipyramidal PF6− ion in the space group [Formula: see text] (No. 82). Infrared absorption spectra are in general agreement with previous work on tetraphenylarsonium halides and compounds with hexafluoro Group VA ions. It is concluded that crystal field effects for this series of salts do not markedly affect the vibrational spectra.

Cell-less measurements of infrared absorption spectra of aqueous suspensions and solutions

1974 ◽  
Vol 39 (2) ◽  
pp. 376-379 ◽  
Author(s):  
L. Berák ◽  
J. Moravec ◽  
J. Münich
Keyword(s):  
Absorption Spectra ◽  
Infrared Absorption ◽  
Aqueous Suspensions ◽  
Infrared Absorption Spectra

scholarly journals Infrared Absorption Spectra of Isotopic Ozone Isolated in Rare‐Gas Matrices

1972 ◽  
Vol 56 (2) ◽  
pp. 759-762 ◽  
Author(s):  
Leo Brewer ◽  
J. Ling‐Fai Wang
Keyword(s):  
Absorption Spectra ◽  
Infrared Absorption ◽  
Rare Gas ◽  
Infrared Absorption Spectra

scholarly journals The Infrared Absorption Spectra of Cyclic Diketones. VIII

1961 ◽  
Vol 81 (10) ◽  
pp. 1525-1528 ◽  
Author(s):  
Keishi Kotera
Keyword(s):  
Absorption Spectra ◽  
Infrared Absorption ◽  
Infrared Absorption Spectra

Infrared Absorption Spectra of Alkali Metal Nitrates and Nitrites above and below the Melting Point

1960 ◽  
Vol 33 (3) ◽  
pp. 900-902 ◽  
Author(s):  
J. Greenberg ◽  
Leander J. Hallgren
Keyword(s):  
Melting Point ◽  
Alkali Metal ◽  
Absorption Spectra ◽  
Infrared Absorption ◽  
Metal Nitrates ◽  
Infrared Absorption Spectra
Sign in / Sign up

Export Citation Format

Share Document