Which of the following methods does not work to synthesize benzoic acid? CrO3, H2SO4, H,O A) C,HSCH2OH Mg CO2 Н B) C,H5BT NaCN НО, Н C) C,H5B. Na,Cr,O; D) C,HSCH3 H2SO4, H20 A
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- H₂C H₂C لیے CH–COOH +CH,CH(CH,)NH, H₂C heat 2 Reaction D Select Draw Rings More Erase / |||||| CON H COOH +CH,CH(CH,)NH₂ CH3 Draw the amide formed when isopropylamine (CH₂CH(CH3)NH₂) (CH3CH(CH3)NH₂) is heated with each carboxylic acid. Include all hydrogen atoms. heat G Q2QAs far back as the 16th century, South American Incas chewed the leaves of the coca bush, Erythroxylon coca, to combat fatigue. Chemical studies of Erythroxylon coca by Friedrich Wöhler in 1862 resulted in the discovery of cocaine, C17H21NO4, as the active component. Basic hydrolysis of cocaine leads to methanol, benzoic acid, and another compound called ecgonine, C9H15NO3. Oxidation of ecgonine with CrO3 yields a keto acid that readily loses CO2 on heating, giving tropinone. (a) What is a likely structure for the keto acid? (b) What is a likely structure for ecgonine, neglecting stereochemistry? (c) What is a likely structure for cocaine, neglecting stereochemistry?17. Mechanism aq NaOH H3O+ HO, 18. Mechanism cat. TSOH HO, MEOH, reflux
- (J) H H3C H a CH₂l2' Zn(Cu) Et2₂O CO₂Me b* H* H₂OCan you explain the mechanism? Can you provide a shortcut?What type(s) of catalysis is/are present in the enzymatic reaction below? SCOA H-His CH SCOA Asp CH COASH CH: CO HO-C-COO" HO-C-COO H-CH, acetyl-CeA SCOA CH, CH; CH COO COO COO oxaloacetate an intermediate citrate Select one or more: a. general acid b. general base C. metal ion d. specific base e. nucleophilic f. specific acid
- 0 The target diol is synthesized in one step from 1-methylcyclopentene, but your lab partner exhausted the supply of that alkene. Fortunately, you have plenty of isomers (CH₁) on hand from which to synthesize 1-methylcyclopentene and, ultimately, the diol. Provide the missing reagents and organic structures needed to most efficiently produce the target product. reagent 1 Compound A Draw compound A. Select Draw Rings More с H Compound B Erase reagent 2 Identify reagent 1. reagent 3 H3C.. HO ....|H OHQ2): Complete the following reactions (20 marks) 1) HOOH (CH,),CHCHCH, + HCI 2) CH3 CH3 H,C- H. ZnIdentify the best conditions to complete the SN2 reaction shown below. Br CN A) HBr, THF B) NaCN, DMSO C) NaCN, MeOH D) NaNH2, DMSO E) NaN, DMSO
- Identify the best conditions to complete the SN2 reaction shown below. Tap here or pull up for additional resources Br CN A) HBr, THF B) NaCN, DMSO C) NaCN, MeOH D) NaNH2, DMSO E) NaN, DMSO (Which of the following compounds canot undergo elimination upon heating with NaOMe? A Br B OTS CI C D Br Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a A b B C C P D e They can all eliminate. f None of them.Chemistry hacza courses/34667/quizzes/36891/take Which of the following reactions affords the desired product as the MAJOR product in each reaction shown? ents A: ) NaOMe, MeOH HO, Ph он ii) Ph Br i) work up B: I) NaOMe, MEOH OMe i) Ph Br Ph OMe ii) work up i) NaOMe, MEOH C: Ph " OEt OEt i) Ph i) work up Br nvas acza/c ourses/34667/quizzes/36891/take B: 1) NaOMe, MEOH OMe ii) Ph Br Ph OMe ) work up C: i) NaOMe, MeOH OEt i) Ph Br Ph OEt iii) work up O Aand B only OConly OBonly QA anly Dnd Conly
