Concept explainers
Devise a synthesis of valproic acid
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ORGANIC CHEMISTRY
- Thioglycolic acid, HSCH2CO2H, a substance used in depilatory agents (hair removers) has pKa = 3.42. What is the percent dissociation of thioglycolic acid in a buffer solution at pH = 3.0?arrow_forwardThe key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?arrow_forwardThe following pKa values have been measured. Explain why a hydroxyl group in the para position decreases the acidity while a hydroxyl group in the meta position increases the acidity.arrow_forward
- What product is formed when a solution of A to B is treated with mild base? This reaction is the first step in the synthesis of rosuvastatin (sold as a calcium salt under the trade name Crestor), a drug used to treat patients with high cholesterol.arrow_forwardWhat product is formed when a solution of A and B is treated with mild base? This reaction is the rst step in the synthesis of rosuvastatin (sold as a calcium salt under the trade name Crestor), a drug used to treat patients with high cholesterol.arrow_forwardDraw the main organic products of the reaction. Indicate the stereochemistry, including all hydrogen atoms, at each stereocenter. Omit byproducts such as salts or methanol.arrow_forward