Fill in the missing starting material, reagent or product. Show the appropriate stereochemistry where necessary. If you get stuck, you may buy structure 1, 6 or 7,¹ 2 H+, H₂O 1.03 2. (CH₂)₂S 1 3 Brz H₂O HBr HOOH 요. 왜 do- Brz 6 10 1. NaNH2 2. H₂O* 8 B. &
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- Draw a structural formula for the substitution product of the reaction shown below. H/ ● (CH3)3C |YY Br ΔΟ H Na • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If more than one stereoisomer of product is formed, draw both. Separate multiple products using the + sign from the drop-down menu. • Products that are initially formed as ions should be drawn in their neutral forms. SH acetone [FN,N-diethyl-m-toluamide (DEET) is the active ingredient in many insect repellent preparations. Following is one of the steps in its synthesis. In the box below draw the structure of the product of this reaction. MgBr H3C 0 ▾ + 1. CO₂ 2. H3O+ • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw the Grignard reagent as a covalent magnesium bromide. n [ ]# product ChemDoodleⓇ 281. Assign E or Z to the following alkenes. If the alkene does not have stereochemistry, write "NONE". H CI H3C SH T. H CI, ОН H3CH2C НО D D EN C(CH3)3 CH3 Me H Et N' 'N' C=C H3C Et Me what Columbus sought in the 'Indies' - Piperine CH2OH Br (H3C);C, H3C HOH, CH,CF, H3C Br HOH2C НО H the spice Columbus found (Capsaicin) HO. Muscalure Bombykol (the sex attaractant for the male silkworm) (the sex attaractant for the common housefly) OH .CO2H the "heart healthy" part of olive oil a 'less healthy' trans fatty acid from trans fat
- The following Wittig reactions may produce a mixture of alkene stereoisomers. Write the products for each of the reactions and indicate the stereoisomers if any. || Ph,P CH3 + ? (1) LOME (2) R N. Ph,P=CH,R' MeDraw structural formulas for the major organic product(s) of the reaction shown below. CN AICI3 + (CH3)2CHCI • You do not have to consider stereochemistry. If no reaction occurs, draw the organic starting material. Remember to include all of the formal charges on the atoms of any nitro groups.N,N-diethyl-m-toluamide (DEET) is the active ingredient in many insect repellent preparations. Following is one of the steps in its synthesis. In the box below draw the structure of the product of this reaction. H3C MgBr 1. CO2 2. H3O+ product • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw the Grignard reagent as a covalent magnesium bromide. 90-87 0 + 11 ? n [
- Draw the structure of the alkene with the molecular formula CH10 that reacts with Br, to give this compound. CH3 Br Br • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. opyste ot pt pt pt pt2. Show the mechanism with arrow formalism to show the formation of the most stable product. Which of the following terms apply to the mechanism(s) i) Regioselectivity (ii)stereoselectivity (iii)stereospecificity. Explain H+ (aq) from sulfuric acid NaCN most stable productDraw a structural formula for the major organic product of the reaction shown below. ● ● ● ● Br MAX. + [(CH3)3C]2CuLi Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases. You do not have to explicitly draw H atoms. Do not include organocopper or inorganic ion by-products in your answer. #[ ] در ? ChemDoodle Ⓡ
- 4. Use the reactant below to perform two separate reactions. Give the mechanism(s) and product(s) for each reaction. Show stereochemistry and be clear in your work. Use chair form. KOEt, EtOH t-Bu |||| H3O+What is the predicted product of the reaction shown? O & N(CH3)2 | IV (CH3)2NH H₂SO4 1. N(CH3)2 2. H3O+ || ОН HO |||In light of the fact that tertiary alkyl halides undergo spontaneous dissociation to yield a carbocation plus halide ion (see Problem 10-45), propose a mechanism for the following reaction.