Synthesis, properties, and vitamin activity of mixed-ligand compounds of metals with pantothenic acid and amino acids

1988 ◽  
Vol 22 (9) ◽  
pp. 666-669
Author(s):  
Ya. D. Fridman ◽  
A. M. Moldogazieva ◽  
D. S. Sarbaev ◽  
N. D. Smashevskii ◽  
V. M. Kopelevich ◽  
...  
Keyword(s):  
Amino Acids ◽  
Pantothenic Acid ◽  
Mixed Ligand ◽  
Synthesis Properties ◽  
Vitamin Activity

Carborane-containing amino acids and peptides: Synthesis, properties and applications

2021 ◽  
Vol 433 ◽  
pp. 213753
Author(s):  
Dmitry A. Gruzdev ◽  
Galina L. Levit ◽  
Victor P. Krasnov ◽  
Valery N. Charushin
Keyword(s):  
Amino Acids ◽  
Synthesis Properties ◽  
Peptides Synthesis

ChemInform Abstract: SPECTRAL PROPERTIES OF MIXED LIGAND COPPER(II) COMPLEXES CONTAINING L-α-AMINO ACIDS

1976 ◽  
Vol 7 (38) ◽  
pp. no-no
Author(s):  
TAKESHI SAKURAI ◽  
OSAMU YAMAUCHI ◽  
AKITSUGU NAKAHARA
Keyword(s):  
Amino Acids ◽  
Spectral Properties ◽  
Mixed Ligand

Identification and Quantitation of Panthenol and Pantothenic Acid in Pharmaceutical Preparations by Thin-Layer Chromatography and Densitometry

1992 ◽  
Vol 75 (5) ◽  
pp. 898-901 ◽  
Author(s):  
Saurendra S Nag ◽  
Saroj K Das
Keyword(s):  
Amino Acids ◽  
Thin Layer ◽  
Thin Layer Chromatography ◽  
Benzyl Alcohol ◽  
Silica Gel ◽  
Pantothenic Acid ◽  
Pharmaceutical Preparations ◽  
Ninhydrin Reaction ◽  
Layer Chromatography

Abstract A rapid, simple, and specific thin-layer chromatographic (TLC) method has been developed for the estimation of panthenol and pantothenic acid in pharmaceutical preparations containing other vitamins, amino acids, syrups, enzymes, etc. The vitamin is extracted with ethanol (tablets and capsules) or benzyl alcohol (liquid oral preparations) and isolated from other ingredients by TLC on silica gel with isopropanol-water (85 + 15, v/v) as developing solvent. β-Alanine (pantothenate) or β-alanol (panthenol) is liberated by heating for 20 min at 160°C. The liberated amines are visualized by ninhydrin reaction and estimated by spectrodensitometry at 490 nm. Recoveries for panthenol and pantothenic acid were 99.8 ± 2.25% and 100.2 ± 1.7%, respectively.

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