Fill in the following missing organic structures. Consider stereochemistry (R/S and/or E/Z – cis/trans) and possible carbocation rearrangements. но CH3 HCI (S, 1) + + но CH. H SO A
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Fill in the following missing organic structures. Consider stereochemistry (R/S and/or E/Z –cis/trans) and possible carbocation rearrangements.
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- 5. Consider the synthesis of 2-butanone from butyne: Hg2+ || CH3CH,-C=C–H CH;CH,-Ĉ-CH3 H3o* (iv) Name the class of compound D belongs to. (v) Comment on the stability of compound D compared to 3-butanone.Draw a structural formula for the major organic product of the reaction shown below. C(CH3)3 CH2 + ether H3O + CuLi H3C 2 • You do not have to consider stereochemistry. + - 4 √n [ ? ChemDoodle Ⓡ4) НО ОН catalytic H+ (a bicyclic compound)
- H H ČH3 Br р. + CH;C=C: in acetone Reaction Type(s) Mechanism(s) Product(s). Stereochemistry (if applicable) q. p-chloronitrobenzene + sodium ethoxide Reaction Type(s) Mechanism(s) Product(s). Stereochemistry (if applicable)Determine the product(s) formed when 2-methylprop-1-ene is treated with the following reagents. CH3 CH3 HO-C-CHa H-C-CH3 CHa CH2OH NBS DMSO, H20 CH3 CH3 HO-C-CHa H3C-C-CH3 CH3 CH;Br ÓCH,CH, HBr Br2 H2C=c CH3 |[1) 9-ВBN (2) H2O2, HO CH3 CH3 Br-C-CH3 Br-C-CHa ČH3 ČH;Br CHa CH Br-C-CH3 H,C-C-CH3 ČH;OH ÓCH, Reset1. 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
- 3) Complete the following: Stereochemistry, enantio-, and regioselectivity are important. j) उ type OH Hydrogenolysis F NHMe Ο Ν NO2 Ο Ν NO2 type CO₂ N type1. Draw the structure of all reactants and product for the following reactions. (a) 2-methyl-1-iodocyclopentane + NaOCH3 ------>A (b) A + (1) Hg(OAc)2, H2O/(2) NaBH4 ------>cis-hept-2-ene + CH₂I2, Zn(Cu) Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. DSC A 1 H 12D EXP. CONT: 0 € L H₂C- CH3 CH₂ H C N 0 op S CI 1 P 4
- 5 (a) (8 pts) (a) Box the most stable Z alkene (make sure it's Z!). (b) Circle the least stable E alkene. (c) Label two alkenes which are neither E or Z. NH₂ 5 Je č F HO NH₂ SH 5(b) (4 pts) Draw an example of two conformations of a molecule of your choice, and then draw a separate example of two stereoisomers of another molecule of your choice.Q2- Which one of the following reaction is unreasonabl? A) NaOH(aq)+HCl(aq)-NaCla+H₂O B) H2(g)+1/202)→ H₂Op AHneutralization=-851.5kJ/mol =-283.5kJ/mol AHormation C) CH3COOH + H₂O-CH:COO(g) + H AHassociation = +213.5kJ/mol D) Mg(+2HCl → MgCha) + H₂ - AHformation =+315.5kJ/mol Q3- If A 25.0 mL of diluted bleach solution has required 30 mL of 0.30 M Na S,O; to reach the endpoint of the titration. Calculate the mass percent of NaCIO in the original sample (Molar mass NaCIO = 74.5 g/mol). Assume the density of bleach solution is 1.084g/mL and the dilution factor is 10. B) 9.96% C) 0.996% D) 12.4% A) 19.92% and the colo10:29 0. O ? 86% AIATS For Two Year Medic. A 61 /180 (02:55 hr min Mark for Review When 2-Methylpropene undergoes oxidation in the presence of acidic K2Cr2O7, the products obtained are CH3 – CH + CO2 CH3 — СH — С—ОН-СО, CH, -C =0+CO2 +H2O CH3 CH; – CH2 – CH + CO2 + H20 Clear Response III