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Synthesis of2-Oxazolines Using DAST via Beckmann Rearrangement

ABSTRACT第4-5页
LIST OF ABBREVIATIONS / ACRONYMS第6-10页
TABLE OF CONTENTS第10-12页
CHAPTER 1第12-20页
    1.0 INTRODUCTION第12页
    1.1 GENERAL第12页
    1.2 OCCURANCE IN NATURE第12-13页
    1.3 THE OXAZOLINE SUBSTRUCTURE第13-15页
    1.4 USE OF DAST IN AS A REAGENT IN SYNTHESIS OF OXAZOLINES第15-16页
    1.5 BECKMANN REARRANGEMENT第16-17页
    1.6 JUSTIFICATION第17-19页
    1.7 AIMS AND OBJECTIVES第19-20页
CHAPTER 2第20-33页
    2.0 LITERATURE REVIEW第20页
    2.1 SYNTHETIC STRATEGIES OF OXAZOLINES第20页
    2.2 SYNTHESIS STRATEGIES WITHOUT THE USE OF DAST第20-27页
        2.2.1 Direct Methods-Carboxylic Acids第20-21页
        2.2.2 Synthesis of oxazolines from Aldehydes第21-22页
        2.2.3 Hydroxyamides-Hydroxyl Activation第22-25页
        2.2.4 Eneamides-Alkene Activation第25-26页
        2.2.5 Epoxide/Aziridine Ring Opening Reactions第26-27页
        2.2.6 Electrocyclic Reactions第27页
    2.3 SYNTHETIC STRATEGIES WITH THE USE OF DAST第27-31页
    2.4 SYNTHESIS WITH DAST VIA BECKMANN REARRANGEMENT第31-33页
CHAPTER 3第33-42页
    3.0 EXPERIMENTAL METHODS, RESULTS AND DISCUSSION第33页
    3.1 SYNTHESIS OF KETOXIMES AND ALDOXIMES第33-39页
        3.1.1 BACKGROUND第33-34页
        3.1.2 GENERAL INFORMATION第34页
        3.1.3 GENERAL PROCEDURE FOR PREPARATION OXAZOLINE FROM DIKETENE第34-39页
    3.2 Procedure for preparation of product第39-41页
    PROPOSED MECHANISM第41-42页
CHAPTER 4 CONCLUSION第42-50页
    4.0 ANALYTICAL DATA OF THE KETOXIMES AND 2-OXAZOLINES第43页
    4.1 Ketoximes第43-44页
        4.1.1 1-(1-(hydroxyimino)ethyl)-N-phenylcyclopropanecarboxamide(4a)第43页
        4.1.2 N-benzyl-1-(1-(hydroxyimino)ethyl)cyclopropanecarboxamide第43页
        4.1.3 1-(1-(hydroxyimino)ethyl)-N-(p-tolyl)cyclopropanecarboxamide第43页
        4.1.4 1-(1-(hydroxyimino)ethyl)-N-(naphthalen-1-yl)cyclopropanecarboxamide第43页
        4.1.5 N-(tert-butyl)-1-(1-(hydroxyimino)ethyl)cyclopropanecarboxamide第43-44页
    4.2 Oxazoline products第44-45页
        4.2.1 (Z)-N-(5-methyl-6-oxa-4-azaspiro[2.4]hept-4-en-7-ylidene)aniline第44页
        4.2.2 (Z)-4-methyl-N-(5-methyl-6-oxa-4-azaspiro [2.4]hept-4-en-7-ylidene)aniline第44页
        4.2.3 (Z)-N-(5-methyl-6-oxa-4-azaspiro[2.4] hept-4-en-7-ylidene)naphthalen-2-amine第44页
        4.2.4 (Z)-2-methyl-N-(5-methyl-6-oxa-4-azaspiro [2.4]hept-4-en-7-ylidene)propan-2-amine第44页
        4.2.5 7-methyl-5-phenyl-5,6-diazaspiro[2.4]hept-6-en-4-one第44-45页
    4.3 ~1H-AND ~(13)C-NMR SPECTRA COPIES第45-50页
ACKNOWLEDGEMENT第50-52页
DEDICATION第52-53页
REFERENCES第53-57页

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