Organic preparations / Conrad Weygand ; translated and revised from the German text.

  • Conrad Weygand
Date:
1945
Catalogue details

Licence: In copyright

Credit: Organic preparations / Conrad Weygand ; translated and revised from the German text. Source: Wellcome Collection.

    16/556 page 12
    Page Chap. 11. Formation of Carbon-Carbon Bonds (contd.) 1. Wurtz and Fittig Syntheses 379 2. Removal of Halogen with Copper, Silver, Zinc, and Alkali Alcoholates 382 B. Removal of Halogen as Hydrogen Halide ' 389 1. Friedel-Crafts Synthesis 389 2. Gattermann-Koch Synthesis 401 3. Tiemann-Reimer Synthesis 403 C. Removal of Metal as Halide 403 D. Removal of Water 404 1. Formation of a Single New Bond 404 2. Removal of Water and Formation of Several New Carbon Bonds 408 E. Removal of Alcohol, Carbonic Acids, etc 408 1. Ester Condensations .■ 408 2. Removal of Carboxylic Acids 414 F. Removal of Nitrogen 414 III. Formation of Ethylene Bonds and Aromatic Systems 416 A. Removal of Water with Formation of New Ethylene Bond 416 B. Removal of Halogen with Formation of New Ethylene Bond. . . 416 1. Spontaneous Removal of Halogen as Hydrogen Halide 416 2. Removal with Metals 417 3. Removal with Alkahes 417 C. Formation of New Ethylene Bonds by Removal of Metal with Halogen 418 D. Formation of Double Bond by Removal of Water 418 General Remarks on Perkin-Claisen-Knoevenagel Synthesis 419 Examples 422 E. Removal of Carbon Dioxide and Water from Carboxylic Acids.. 438 Chap. 12. Fission of Carbon-Carbon Bonds 444 I. Thermal Decomposition 445 A. Removal of Carbon Dioxide 445 B. Removal of Other Fragments 451 II. Oxidative Degradation 452 1. Degradation of Aliphatic Chains Starting from the End 452 2. Degradation of Aliphatic Chains from Within 454 3. Degradation of Alicyclic Ring Systems 458 4. Degradation of Aromatic and Heterocyclic Ring Systems .... 463 III. Reductive Degradation 464 IV. Hydrolytic Degradation 464 Chap. 13. Rearrangements of Carbon Compounds with the Exception of Steric Rearrangements 470 I. Shifting of Multiple Bonds 471 A. Shifting of Ethylene Bond 472 B. Shifting of Acetylene Bond 474 II. Shifting of Halogen 475
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