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钯催化乙烯基碳酸乙烯酯的不对称脱羧环加成反应:构建季碳手性中心

ACKNOWLEDGEMENTS第7-10页
ABSTRACT第10-12页
1. INTRODUCTION第15-56页
    1.1. ASYMMETRIC CONSTRUCTION OF ALL-CARBON QUATERNARY STEREOCENTERS第16-28页
        1.1.1. Asymmetric conjugate addition第17-19页
        1.1.2. Asymmetric Diels-Alder reactions第19-21页
        1.1.3. Intramolecular Heck reactions第21-22页
        1.1.4. Cyclopropanation reactions第22-24页
        1.1.5. Semipinacol rearrangement第24-26页
        1.1.6. Claisen rearrangement第26-27页
        1.1.7. 1,2-Migration reactions第27-28页
    1.2. ENANTIOSELECTIVE CONSTRUCTION OF ΑLPA-TERTIARY ALCOHOL第28-36页
        1.2.1. Addition of carbon nucleophiles to ketones第29-33页
        1.2.2. Asymmetric dihydroxylation of 1,1-disubstituted alkenes第33-34页
        1.2.3. Asymmetric epoxidation of 1,1-disubstituted alkenes第34-35页
        1.2.4. Kinetic resolution and desymmetrization第35-36页
    1.3. ENANTIOSELECTIVE CONSTRUCTION OF ΑLPA-TERTIARY AMINE第36-44页
        1.3.1. Addition of carbon nucleophile to ketimine第37-41页
            1.3.1.1. Enantioselective allylation of ketimine第38页
            1.3.1.2. Asymmetric Mannich-type reactions of ketimine第38-39页
            1.3.1.3. Asymmetric Strecker-type reactions of ketimine第39-40页
            1.3.1.4. Addition of organoboron reagents第40-41页
        1.3.2. Asymmetric α-amination of tertiary carbonyl compounds第41-42页
        1.3.3. Aza-Claisen rearrangement reactions第42-43页
        1.3.4. Asymmetric Wacker-type cyclization第43-44页
    1.4. CONSTRUCTION OF QUATERNARY STEREOCENTERS VIA ASYMMETRIC ALLYLIC SUBSTITUTIONREACTIONS第44-56页
        1.4.1 Asymmetric allylic substitution reactions with tertiary carbon nucleophile第44-47页
        1.4.2 Construction of quaternary stereocenters via asymmetric decarboxylative allylation第47-50页
        1.4.3 Asymmetric allylic substitution of 1,1- or 3,3-disubstituted allyl donors第50-52页
        1.4.4 Construction of quaternary stereocenters via asymmetric allylic substitution of vinylepoxide第52-53页
        1.4.5. New synthetic strategy for the construction of quaternary stereocenters via Pd-catalyzedasymmetric decarboxylative cycloaddition第53-56页
2. RESULTS AND DISCUSSION第56-94页
    2.1. PALLADIUM-CATALYZED DC REACTIONS OF VECS WITH FORMALDEHYDE: ENANTIOSELECTIVECONSTRUCTION OF TERTIARY VINYLGLYCOLS第56-72页
        2.1.1 Synthesis of substituted vinyl ethylene carbonates (VECs)第57-61页
        2.1.2 Conditions optimization for Pd-catalyzed DC of VECs with formaldehyde第61-66页
        2.1.3 Substrate scope of Pd-catalyzed DC of VECs with formaldehyde第66-68页
        2.1.4 Conformation of the absolute configuration of 89a, 89o, and 90b第68-69页
        2.1.5 Stereochemical outcome of the reaction第69-70页
        2.1.6 Synthetic application第70-71页
        2.1.7 Conclusion第71-72页
    2.2. PALLADIUM-CATALYZED ENANTIOSELECTIVE DC REACTIONS OF VECS WITH ISOCYANATES第72-85页
        2.2.1. Optimization conditions第73-78页
            2.2.1.1. Ligand effect for the Pd-catalyzed DC reactions of VEC 88á with isocyanate 92a第73-76页
            2.2.1.2. Pd-catalyzed DC reactions of VEC 88á with various isocyanates 92第76页
            2.2.1.3. Pd-catalyzed DC reactions of Me-VEC 88o with isocyanate 92a第76-78页
        2.2.2. Substrate scope for the Pd-catalyzed DC reactions of VECs 88 with isocyanate 92a第78-80页
        2.2.3. Confirmation of the absolute configuration第80页
        2.2.4. Stereochemical outcome of the reaction第80-82页
        2.2.5. Synthetic utility of the process第82-84页
            2.2.5.1. Gram-scale syntheses第82-83页
            2.2.5.2. Synthesis of β-substituted β-vinylglycinols第83页
            2.2.5.3. Formal synthesis of MK-0731第83-84页
        2.2.6. Conclusion第84-85页
    2.3. PALLADIUM-CATALYZED ASYMMETRIC DC REACTIONS OF VECS WITH MICHAEL ACCEPTORS: CONSTRUCTION OF VICINAL QUATERNARY STEREOCENTERS第85-94页
        2.3.1. Conditions optimization for Pd-catalyzed DC of VEC 88a with Michael acceptor 100a..85第85-87页
        2.3.2. Substrate Scope for Pd-catalyzed DC reactions of VECs 88 with Michael acceptor 100第87-91页
        2.3.3. Synthetic utility of the reaction process第91-92页
        2.3.4. Conclusion第92-94页
3. CONCLUSION第94-96页
4. EXPERIMENTAL第96-176页
    4.1. General experimental details第96-97页
    4.2. General procedure for the synthesis of quaternary VECs第97-107页
    4.3. Representative General Procedures for the Pd-catalyzed Asymmetric Decarboxylative Cycloaddition of VECs with Formaldehyde第107-119页
    4.4. Representative General Procedures for the Pd-catalyzed Asymmetric Decarboxylative Cycloaddition of Ph-VEC (88a) with other Aldehydes第119-122页
    4.5. General procedures for the deprotection of 1,3-dioxolanes 89第122-124页
    4.6. Representative general procedures for Pd-catalyzed asymmetric decarboxylative cycloaddition of VECs 88á with isocyanates 92第124-129页
    4.7. Representative general procedures for Pd-catalyzed asymmetric decarboxylative cycloaddition of 4-substituted VECs 88 with 2-mthoxyphenylisocyanates 92a第129-141页
    4.8. Procedures for the deprotection of 93 to β-substituted β-vinylglycinols 94第141-143页
    4.9. Procedures for the hydrolysis of 94第143-144页
    4.10. Procedures for the hydrogenation of 94 to 95第144-145页
    4.11. Procedures for the synthesis of MK-0731第145-148页
    4.12. Representative general procedures for Pd-catalyzed decarboxylative cycloaddition of VECs 88 with 2-benzylidenemalononitrile 100a第148-154页
    4.13. Representative general procedures for Pd-catalyzed decarboxylative cycloaddition of VECs 88a with substituted methylenemalononitrile 100第154-159页
    4.14. Representative general procedures for Pd-catalyzed decarboxylative cycloaddition of Ph-VEC 88a with different activated Michael acceptors 102第159-164页
    4.15. Procedures for scale-up transformation and elaboration of 101ae to corresponding amino acid 105第164-166页
    4.16. X-ray Crystallographic data第166-170页
    4.17. Density Functional Theory (DFT) calculation for the reaction of 88a and formaldehyde第170-172页
    4.18. Density Functional Theory (DFT) calculation for the reaction of 88á, and 88o with isocyante 92a第172-176页
5. REFERENCES第176-199页
ABSTRACT IN CHINESE第199-201页
PUBLICATION LIST第201页

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