Download e-book for kindle: Applications of NMR Spectroscopy. Volume 2 by Atta-ur-Rahman, M. Iqbal Choudhary

By Atta-ur-Rahman, M. Iqbal Choudhary

ISBN-10: 1608059650

ISBN-13: 9781608059652

ISBN-10: 1608059995

ISBN-13: 9781608059997

Applications of NMR Spectroscopy, quantity 2, originally released by way of Bentham and now dispensed by way of Elsevier, provides the most recent advancements within the box of NMR spectroscopy, together with the research of plant polyphenols, the position of NMR spectroscopy in neuroradiology, NMR–based sensors, experiences on protein and nucleic acid constitution and serve as, and mathematical formations for NMR spectroscopy in structural biology.

The totally illustrated chapters include finished references to the hot literature. The functions provided hide quite a lot of the sector, comparable to drug improvement, clinical imaging and diagnostics, nutrients technology, mining, petrochemical, method regulate, fabrics technology, and chemical engineering, making this source a multi-disciplinary reference with huge applications.

The content material is perfect for readers who're looking reports and updates, because it consolidates clinical articles of a various nature right into a unmarried quantity. Sections are equipped in line with disciplines, similar to nutrients technological know-how and clinical diagnostics. every one bankruptcy is written by means of eminent specialists within the field.

  • Consolidates the most recent advancements in NMR spectroscopy right into a unmarried volume
  • Authored and edited by means of world-leading specialists in spectroscopy
  • Features finished references to the newest similar literature
  • More than sixty five illustrations relief within the retention of key concepts

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Extra info for Applications of NMR Spectroscopy. Volume 2

Sample text

2 In the structure elucidation of these compounds the HMBC correlations were specifically useful in determining the long range connectivity. The connectivity of the sugar moieties with the aromatic structures and then the specific position were also determined through this technique. In these molecules, the closeness of the protons in space was determined by NOE and NOESY experiments. 10. Stilbenes The name for stilbene (1,2-diphenylethylene) was derived from the Greek word stilbos, which means shining.

The NMR techniques used for the structure elucidation included 1H and 13C NMR, COSY-90, Homo-COSY, HSQC, and HMBC NMR experiments and their molecular formula were determined from HR-EI-MS analysis [305-307] (Tables 15 and 16). Applications of NMR Spectroscopy in Plant Polyphenols O 3 2 1 7 8 9 2 O 3 OMe 6 OMe O 4 8' 5 7' 1' 9' 2' 6' 3' 5' 4' OMe 1 B O 4 7 8 9 A 6 8' 5 7' 1' 9' 2' 6' C 3' 5' O 4' OMe OMe O OMe Application of NMR Spectroscopy, Vol. 2 59 MeO 3 2 1 8 O 9 O 6 MeO 4 8' 9' 5 7' 1' 2' 6' 3' 5' O 4' MeO 5 4 O 9 9' 8 8' OMe 1' 2' 3' 1 7 O 7' 4' 6' 2 O 5' 3 O 6 O O 186 185 184 7 187 Figure 27: Structures of 5-demethoxyniranthin (184) and urinatetralin (185) dextrobursehernin (186) and urinaligran (187).

1. Medicinal and General Importance of Lignans Lignans are well known for their widespread biological activities in living organisms and have been extensively reported in several reviews and articles dealing with their biological properties [292-295]. Lignans have been found to exhibit antiviral, antibacterial, antifungal, antimitotic [288] and antitumor [296298] properties. Lignans exhibit enzyme inhibition and have interesting effects on nucleic acids. More recently, lignans have been used as preservatives in the food, agriculture, rubber and pharmaceutical industries and as stabilizing agents for lubricants and polymers such as adhesives and plastics [299].

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Applications of NMR Spectroscopy. Volume 2 by Atta-ur-Rahman, M. Iqbal Choudhary

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