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- التاريخ تليله : Egbgbl You need to prefare l:5Lof 25 Wy Solutionof adurg, how much activeingredient is cequired?The 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?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?
- The Ka for dichloroacetic acid is 3.32 Ă— 10-2. Approximately what percentage of the acid is dissociated in a 0.10 M aqueous solution?For the alid- cate R of the fall owing nuing Cate propose a meeheni'sm y Zeal ving calreparagd openin lactonc by g me thahal- use H-Bor on acid and B its con jugate base. 6. CH3alt Cat-TsolfWhich of the following reactions will not yield a carboxylic acid as a product? он (B) owool CrO3/H,0 (1) Oz/CH;Ch, -78°C (1) Mg, ether, A (A) Br (C) (2) H20 (2) CO2 (3) H* (dil /H¿O он H* /H2O A (D) Reaction D Reaction A Reaction C
- 1. y which mainly › time, net- ral rent ters. Phenobarbital 1090 10 Following is a structural formula for aspartame, an ar- tificial sweetener about 180 times as sweet as sucrose (table sugar). O NH3 H egy N Aspartame HOO HO HO HOOH + HO O OCH3 (f) Draw structural formulas for the products of com- plete hydrolysis of aspartame in aqueous NaOH. Show each product as it would be ionized in this solution.(b) Cortisone OH H2C CH -HO- H3C Oalcohol O carbon-carbon double bond Oester Oaldehyde Ocarbon-carbon triple bond Oether O amide Ocarboxylate anion Oketone Oamine O carboxylic acid O thiol (c) Prostaglandin PGE2 COOH Но OH Oalcohol O carbon-carbon double bond Oester Oaldehyde Ocarbon-carbon triple bond Oether Oketone O amide O carboxylate anion Oamine Ocarboxylic acid O thiolWhat is the final organic product for the following malonic ester synthesis? CH2-COOEE (1) NaOEt, ETOH (2) Br Br (3) NaOEt, EtOH (4) H3O* COOET heat (a) -COOH (b) COOH (c) HODC (d) Br CooH Answer (a) O Answer (b) Answer (c) O Answer (d) O O 0 0
- 13:58 ll 4G O 2. What is the correct IUPAC name for the following compound? CH3 H2N" CH3 OA N-methyl-N-propyl-N-propylamine OB. 1-(N,N-dimethylamino)-2-methylpropane OCN-benzyl-N-methylamine OD. 1-amino-2-methyl-1-phenylpropane Add a caption... > Status (Custom) +QI Complete the following reaction with appropriate compounds? KCI Na NO, exitation H,SO, NO: HCI COOH 3 HBr HCI HCI NaOH CI кон CH; CH CH; -F Heat CH4Answer the following questions based on the information provided. (a) Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to improve the ability to exercise in adults with pulmonary arterial hypertension. One of the key step of Sildenafil synthesis is shown below. OEt O OEt O i) Amine HO CHO ii) H20 washing to remove the HCI residue CI N. i) What's the structure of Amine reagent? Amine structure ii) Why does not carboxyl acid react with amine? iii) Draw the mechanism of the reaction.