4. Predict the product and show the detailed mechanism for the reaction below. Use cyclohexane chair conformations as we did in class. Give a short explanation for the observed regioselectivity (why the alkene forms where it does). Use additional sheets, make sure you draw large enough for your work to be clearly understood) scratch EZ Br (LDA LDA = NLi THE
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- ew fopics] Draw the major organic product of the reaction shown below. H2SO4 HO, • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. C opy aste [F ChemDoodleIdentify the major product of the reaction of an alkene shown below. ||| 1. Hg(OAc)2, H2O 2. NaBH4, NaOH ....... ОН || IV ОН о, ОН[References] The two alkenes below react with HI at different rates. CH3 CH3CH=CHCH3 and CH;ċ=CHCH3 Draw the structural formula of the MAJOR product formed by the alkene having the HIGHER reaction rate. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. In cases where there is more than one answer, just draw one. C P opy aste Previous Next ChemDoodle®
- 2. Draw the required reactant, reagent(s), OR the major expected organic product(s) for each of the reactions below in empty box provided. Be sure to consider regiochemistry and stereochemistry when necessary, and DRAW NEATLY! Illegible work will not be graded. 1) 2) H20 OH но Нас NaH CH3 CI 1) TSCI, pyr OH 2) KOt-Bu HBr (1 equiv) H2SO4, CH3CH2OH5. Provide arrows for the reaction mechanism shown below. The arrows should show 'electron flow' as we've done in class and should be consistent with the formal charges that show up on the intermediates in this multistep process All the structures with relevant atoms are provided below H H H Br H H Br -CH₂ H H O H O Br H H Br HO CH₂ H O Br CH₂Q2. i) Using a mechanism, predict the outcome of the reaction below, being sure to account for any selectivity observed. CI i) BH3 ii) OH, H₂O₂, H₂O ?
- 1. a) Please show the mechanism for the below (b) indicate the parts that can that can be labeled as Ei and products. electrophilic addition. () Show the potential energy diagrams for the last two steps of the mechanism assuming the kinetic and thermodynamic products are the same. ott am H₂J Oy> #₂0 GUMICROS ям надои хат ха Product Product bp 104°C B bp 101-102°C+ CH2=CH´ `CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. EXP. CONT. .. C N CI Br Marvin JS [1] A by O ChemAxon P FPart A || CH2=CH' CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. EXP. CONT. H +) C CI Br Marvin JS [1] by O ChemAxon F P.
- H3C heat EtO- C=CI b a ELOH H3C ČH3 Consider the above reaction and draw the structures of products a and b. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner.ce trom Cengage Learning [Review Topics] [References] Use the References to access important values if needed for this question. Draw the structure of the product that is expected when the following compound is treated with concentrated H,SO4. H2S04 CH3CH2CH2OH heat • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. ted C P. opy aste ? CH4 ChemDoodle Submit Answer Retry Entire Group 3 more group attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support6. » Predict Products. Using line structures, give the major product of each reaction below. DON'T SHOW MECHANISMS HERE. Use scratch paper if needed. NR if no reaction; indicate stereochemistry as we have discussed (E=enantiomer; D = Diastereomer) HOCH3 NaSCH3 Br DMSO Кон EIOH CI H2SO, EIOH HCI Br2 Кон EIOH