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Ultrasound-Assisted Extraction of Cannabinoids from Cannabis Sativa L. Optimized by Response Surface Methodology.
- C. Agarwal, Katalin Máthé, T. Hofmann, L. Csóka
- Medicine, Chemistry
- Journal of food science
- 1 March 2018
Ultrasonication was used to extract bioactive compounds from Cannabis sativa L. such as polyphenols, flavonoids, and cannabinoids. The influence of 3 independent factors (time, input power, and… Expand
Reversed-phase liquid chromatographic resolution of diastereomers of protein and non-protein amino acids prepared with newly synthesized chiral derivatizing reagents based on cyanuric chloride
Two new chiral monochloro-s-triazines (MCT) were synthesized [viz N-(4-chloro-6-piperidinyl-[1,3,5]-triazine-2-yl)-l-leucine amide and N-(4-chloro-6-piperidinyl-[1,3,5]-triazine-2-yl)-l-leucine) (CDR… Expand
Direct enantiomeric TLC resolution of dl-penicillamine using (R)-mandelic acid and l-tartaric acid as chiral impregnating reagents and as chiral mobile phase additive.
DL-Penicillamine has been resolved into its enantiomers by normal-phase TLC using L-tartaric acid as chiral impregnating reagent as well as chiral mobile phase additive, while (R)-mandelic acid has… Expand
Resolution of Beta Blocker Enantiomers by TLC with Vancomycin as Impregnating Agent or as Chiral Mobile Phase Additive
Resolution of the enantiomers of racemic atenolol, metoprolol, propranolol, and labetalol, commonly used β-blockers, has been achieved by TLC on silica gel plates using vancomycin as chiral… Expand
High-performance liquid chromatographic enantioseparation of (R,S)-fluoxetine using Marfey's reagent and (S)-N-(4-nitrophenoxycarbonyl) phenylalanine methoxyethyl ester as chiral derivatizing…
Chiral assay of enantiomers of fluoxetine was achieved in pharmaceutical formulations using direct and indirect methods. L-tartaric acid was used as a mobile phase additive in thin-layer… Expand
Direct Resolution of Six Beta Blockers into their Enantiomers on Silica Plates Impregnated with l-Asp and l-Glu
Resolution of racemic metoprolol, propranolol, carvedilol, bisoprolol, salbutamol, and labetalol, commonly used ß-blockers, into their enantiomers has been achieved by TLC on silica gel plates… Expand
Application of (S)-N-(4-Nitrophenoxycarbonyl) phenylalanine methoxyethyl ester as a chiral derivatizing reagent for reversed-phase high-performance liquid chromatographic separation of diastereomers…
Indirect enantioresolution of 15 primary and secondary amino group containing compounds (amino alcohols, non-protein amino acids, PenA) was done using the reagent (S)-N-(4-Nitrophenoxycarbonyl)… Expand
Enantioresolution of Some β-Blockers and a β2-Agonist Using Ligand Exchange TLC
- R. Bhushan, J. Martens, C. Agarwal, Shuchi Dixit
- JPC – Journal of Planar Chromatography – Modern…
- 1 October 2012
Cu(II) complexes of l-threonine, l-serine, and l-tartaric acid were prepared and used as ligand exchange reagents for enantiomeric resolution of some of the β-blockers (bisoprolol, metoprolol, and… Expand
Direct TLC Resolution of (±)-Ketamine and (±)-Lisinopril by Use of (+)-Tartaric Acid or (−)-Mandelic Acid as Impregnating Reagents or Mobile Phase Additives. Isolation of the Enantiomers
Direct resolution of the enantiomers of the racemic drugs ketamine and lisinopril has been achieved by TLC. Enantiomerically pure tartaric acid and mandelic acid were used as chiral impregnating… Expand
Ustilago maydis phosphodiesterases play a role in the dimorphic switch and in pathogenicity.
Components of the cAMP (cyclic AMP) signalling cascades are conserved from fungi to humans, and are particularly important for fungal dimorphism and pathogenicity. Previous work has described two… Expand