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Aryl-Aryl Bond Formation

Aryl-Aryl Bond Formation. Jwanro Hassan,Marc Se′ vignon,Christel Gozzi,Emmanuelle Schulz,and arc Lemaire* ,

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Aryl-Aryl Bond Formation

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  1. Aryl-Aryl Bond Formation Jwanro Hassan,Marc Se′ vignon,Christel Gozzi,Emmanuelle Schulz,and arc Lemaire* , Laboratoire de Catalyse et Synthe` se Organique, UMR 5622, Universite′ Claude Bernard Lyon 1, CPE, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France, and Laboratoire de Catalyse Moleculaire, UPRESA,CNRS 8075, Institut de Chimie Mole′ culaire d’Orsay,Universite′ Paris-Sud, 91405 Orsay Cedex, France Chem. Rev. 2002, 102, 1359 1469

  2. The first type is the Ullmannreaction. The second type is closely related to the first but involves the formation of an aryl carbanionas the intermediate. The third type is clearly an oxidation of two C-H aromatic bonds to form a C-C bond. The fourth type and last one is the Pschorrreaction.

  3. 1. Aryl Aryl Bond Formation Using Copper as Reagent or Catalyst 1.1. Reductive Coupling of Aromatic Halides (The UllmannReaction) A. Aromatic Coupling Using Stoichiometric Amount of Copper a. Symmetrical Couplings.

  4. b. Unsymmetrical Couplings.

  5. B. Aromatic Coupling Using Catalytic Amounts of Copper

  6. 1.2. Coupling of Aromatics via Aryl Carbanion A. Use of Stoichiometric Amounts of Copper a. Symmetrical Couplings. i. Coupling of Silicon Derivatives.

  7. ii. Coupling of Tin Derivatives.

  8. b. Unsymmetrical Couplings. i. Coupling of Silicon Derivatives.

  9. ii. Coupling of Lithium Derivatives.

  10. B. Catalytic Amounts of Copper a. Symmetrical Couplings. i. Coupling of Silicon Derivatives. ii. Coupling of Tin Derivatives.

  11. b. Unsymmetrical Couplings. i. Coupling of Tin Derivatives. ii. Coupling of Boron Derivatives.

  12. 1.3. Oxidative Aromatic Coupling Using Copper Salts A. Use of Stoichiometric Amount of Copper a. Symmetrical Couplings.

  13. b. Unsymmetrical Couplings.

  14. B. Use of Catalytic Amounts of Copper a. Symmetrical Couplings.

  15. b. Unsymmetrical Couplings.

  16. c. Oxidative Coupling with FeCl3.

  17. 4. Aromatic Coupling via Radicals (The Pschorr Reaction) Using Copper Salts

  18. 1.5. Synthesis of Oligomers and Polymers Using Copper as a Reagent A. The Ullmann Reaction

  19. B. Oxidative Coupling of an Activated Aryl a. Using Copper as the Oxidative Reagent.

  20. b. Using Iron as the Oxidative Reagent.

  21. C. Chemical Polymerization Induced by Iron

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