1. Synthesis of Acrylic Acid Derivatives from CO2 and Ethylene
Xiao Wang, Hui Wang, Yuhan Sun 
Chem 
Volume 3, Issue 2, Pages (August 2017)
DOI: /j.chempr
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2. Chem 2017 3, DOI: ( /j.chempr )
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3. Figure 1
Buntine's Calculated Free Energy of Intermediates in a Ni(mDBU)2-Facilitated Reaction
Chem 2017 3, DOI: ( /j.chempr )
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4. Figure 2
Resulting Complexes in the Early Study of Mo- and W-Assisted CO2-Ethylene Coupling Reactions
Chem 2017 3, DOI: ( /j.chempr )
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5. Scheme 1 Synthesis of Acrylate from CO2 and Ethylene
Chem 2017 3, DOI: ( /j.chempr )
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6. Scheme 2 Hoberg's CO2-Norbornene Addition Reaction
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7. Scheme 3 Walther's CO2-Diene Addition Reaction
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8. Scheme 4
Hoberg's CO2-Ethylene Addition Reaction and the Formation of Nickelalactone
Chem 2017 3, DOI: ( /j.chempr )
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9. Scheme 5 Synthesis of Cinnamic Acid from CO2 and Styrene
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10. Scheme 6 Formation of Walther's Binuclear Ni(I) Complex
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11. Scheme 7
Hypothetical Catalytic Cycle of Rieger's Methylation of Nickelalactone and Synthesis of Methyl Acrylate
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12. Scheme 8 Reaction Mechanism with the Ni-TMEDA Complex Proposed by Kühn
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13. Scheme 9
Proposed Reaction Pathways with the Ni-dtbpe Complex by Limbach and Hoffmann
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14. Scheme 10
Obtaining the Crystal Structure for the Methylated Nickelalactone
Reprinted with permission from Lee et al.38 Copyright 2013 American Chemical Society.
Chem 2017 3, DOI: ( /j.chempr )
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15. Scheme 11 Limbach's Catalytic System Consisting of Ni-dtbpe-tBuONa
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16. Scheme 12
Limbach's Reaction with (BenzP*)nickelalactone as Intermediate
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17. Scheme 13 Vogt's Reaction Facilitated by Lithium Salt
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18. Scheme 14 Stabilization Effect by Sodium Cation
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19. Scheme 15
Acceleration of β-hydride Elimination by an Electron-Deficient Borane
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20. Scheme 16 The Expected Catalytic Cycle of Bernskoetter's Mo catalysis
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21. Scheme 17
Formation of Carbonylation Products by Bernskoetter's Mo-tetrahydride Complex
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22. Scheme 18
Preparation of a W complex and the Formation-Isomerization of the Oxidative Addition Product
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23. Scheme 19 Release of Methyl Acrylate from the W complex
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24. Scheme 20 Fe-Mediated Transformations Leading to Multiple Products
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25. Scheme 21
Pd-Catalyzed Methylsuccinic Anhydride and Glutaric Anhydride Synthesis by Osakada and Yamamoto
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26. Scheme 22
Proposed Mechanism of Dibenedetto and Pápai's Ethyl Acrylate Synthesis Catalyzed by the (dppe)Pd–H Complex
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27. Scheme 23 Limbach's Pd(dcpe)-Phenoxide Catalytic System
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28. Scheme 24
Coupling of Dienes with CO2 Catalyzed by the Pd(dcpe) Complex
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29. Scheme 25 Aresta's Rhodialactone Formation Reaction
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