Fill in the product, starting material, or reagent for each reaction. “No reaction" is a possibility. Also, be sure to show stereochemistry and anyrearrangements if they occur. 99 1. 1) 1 equiv of Cl2 E-CH3 2) 1 equiv of Br2
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Q: What reagents are necessary to carry out the conversion shown? CN
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Q: necessary stereochemistry) using the given starting material. 'Br NH₂ NH b. C.
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- h. 3-methyl-1-butene with Hg(OAC)2 and CH3OH, followed later by NaBH4 CH3 H2C=CH-CH-CH3 Major Product(s) of h. Stereochemistry of the product described in h. (Circle one) а. R b. S С. Е d. Z e. a mixture of E and Z f. erythro g. threo h. a racemic (50/50) mixture i. all 4 products (a set of erythro and a set of threo) j. no stereochemistryDraw a structural formula for the major product of the reaction shown. Cl₂ H₂O Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. If the reaction produces a racemic mixture, just draw one stereoisomer. 8 Sn [F ChemDoodleⓇFill in the product, starting material, or reagent for each reaction. "No reaction" is a possibility. Also, be sure to show stereochemistry and any rearrangements if they occur. 4. CH;ONa CHOH H3C
- Provide the major product(s) of each reaction below. Show the stereochemistry of each stereocenter (for example, by using wedge-dash structures for chirality centers and clear bond angles for alkenes). For enantiomers, you only need to draw one of the enantiomers. Br2, H₂O 1) 03 2) MeSMe H₂, Pd/C HgSO4 H₂SO4 H₂O 1) BH3 2) NaOH, H₂O2 H₂O 1) 9-BBN 2) NaOH, H₂O2 H₂O+ 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. L CONT. EXP. L C N CI Br Marvin JS [1] A by O ChemAxon P F -k. SN1 SN2 E1 E2 CH3 OH H3C-CH2- -CH CH-CH2-CH2 R R HBr Product(s)/Stereochemistry(ies) of reaction k ↑
- 3. Deduce the structures of A, B and C and reagent(s) D in reaction scheme shown below. What is the stereochemistry of compound B? 'BUOK H, Major Product A CH NASH B 'BUOH H,C Acetone Mg, Et,0 -OH D H,C CH3 EK Draw one of the two diastereomers that are the major products from this reaction. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, Ignore inorganic byproducts. 1 Br2 Drawing V I I Probler Atom and || BrDraw the alkene that would react with the reagent given to account for the product formed. ? + HCI My 3 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. CH3 CH₂ CHOCH3 TT CI CH3 L ▼ {n [F ? ChemDoodleⓇ
- Show the product(s) with the correct stereochemistry, if applicable. -CH2CH3 1. ВНз, THF 2. Н2О2, ОН- а. HH,C -CH3 CH, -CH, H,C H,CS CH structure 1 structure 2 Which is the more stable alkene? Explain your answer.Draw the structure for an alkene that gives the following reaction product. CH212, Zn/Cu Ignore alkene 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 ChemDoodle®