Novel Hydroxamic Acid-Derived Ligands for Vanadium Catalysed Asymmetric Epoxidations


Research Paper (postgraduate), 2007

39 Pages, Grade: 1,0


Excerpt


Table of Contents

Acknowledgements

Abbreviations

Table of Contents

1 Introduction
1.1 Sharpless Epoxidation
1.2 Yamamoto-Malkov Epoxidation
1.3 Camphor Derivatives
1.4 Phosphinamides
1.5 Sulfinamides

2 Project Objective

3 Results and Discussion
3.1 Camphor-derived hydroxamic acids
3.1.1 Synthesis of ligands
3.1.2 Application of ligand 3 to vanadium-catalyzed epoxidation
3.2 Hydroxamic acid based on diphenylphosphinamide moiety
3.2.1 Synthesis of ligand
3.2.2 Application of ligand 14 to vanadium-catalyzed epoxidation
3.3 Hydroxamic acids containing sulfinamide moiety
3.3.1 Synthesis of ligand 19 using direct method
3.3.2 Synthesis of ligand 19 using Nosyl protecting group
3.4 Synthesis of #-Benzhydryl-hydroxylamine

4 Conclusions and Future Aspects
4.1 General
4.2 Camphor derivatives
4.3 Sulfinamides
4.4 Phosphinamides
4.5 Anilides
4.6 Binaphthyls

5 Experimental
5.1 General Methods
5.2 Synthesis of hydroxylamine
5.3 Synthesis of Camphor-derived hydroxamic acids
5.3.1 Sulfonamides
5.3.2 Acid chlorides
5.3.3 Hydroxamic acids
5.4 Synthesis of Dpp-derived hydroxamic acid
5.5 Synthesis of sulfinamide-derived amino acid
5.6 Synthesis of #-Nosyl-(R)-phenylglycme
5.7 Epoxidation in water

6 References

Excerpt out of 39 pages

Details

Title
Novel Hydroxamic Acid-Derived Ligands for Vanadium Catalysed Asymmetric Epoxidations
College
University of Glasgow  (Chemistry)
Grade
1,0
Author
Year
2007
Pages
39
Catalog Number
V463480
ISBN (eBook)
9783668926370
ISBN (Book)
9783668926387
Language
English
Keywords
Epoxidation, Ligand Synthesis, Vanadium, asymmetric catalysis
Quote paper
Dominik Ohlmann (Author), 2007, Novel Hydroxamic Acid-Derived Ligands for Vanadium Catalysed Asymmetric Epoxidations, Munich, GRIN Verlag, https://www.grin.com/document/463480

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