I. General Questions of Total Synthesis. - 1. Statement of the problem of total synthesis. - 2. Building up of the steroid skeleton. - 3. Formation of centers of asymmetry. - 4. Nomenclature of synthetic steroids. - II. Total Syntheses from AB AC and AD Fragments. - 1. Syntheses of the type AB ? C ? D. - 2. Syntheses of the type AB ? CD. - 3. Syntheses of the type AB ? D ? C. - 4. Syntheses of the type AC ? B ? D. - 5. Syntheses of the type AD ? BC. - III. Total Syntheses from BC and BD Fragments. - 1. Syntheses of the type BC ? A ? D. - 2. Syntheses of the type BC ? D ? A. - 3. Syntheses of the type BD ? C ? A. - IV. Total Syntheses from CD Fragments. - 1. Syntheses of the type CD ? A ? B. - 2. Syntheses of the type CD ? B ? A. - 3. Syntheses of the type CD ? BA. Language: English