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Kindly answer this question iv, v & vi
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- Q6 Show how you would accomplish the follwoing transformations. (a) 2,2dibromobutane to but-1-yne (b) but-1-yne to oct-3-yne (c) trans-hex-2-ene to hex-2-yne (d) cyclodecyne to cis-cyclodecene (e) cyclodecyne to trans-cyclodecene (f) hex-1-yne to hexan-2-one, CH3COCH₂CH₂CH₂CH3 (g) hex-1-yn to hexanal, CH3(CH₂)4CHO (h) trans-hex-2-ene to cis-hex-2-eneIdentify the reagents nacessary to accomplish cach of the following transformations. Choose the correct reagents from the following list: CH;CH;COCI, AICI, Fuming H3SO4 CH:CH;CI, AICla SOCI, Pyridine dilute H,S0. Zn(H, HCI, heat (CH:)2CHC, AICI; HNO, HaSO4 Enter the correct letter for sach stap of the reaction in the boxes below. (Reagents con be usad more than once) Step A: Step B: Step C:6. Write the IUPAC name for the following compounds. Show the stereochemistry whenever required (a) HO NH2 CI (b) NH2 QH но (c) он Br H. (d) (e) OH Br Br
- Predict the major product(s) for each reaction. Include stereochemistry where appropriate.(a) 1@methylcyclohexene + Cl2>H2O (b) 2@methylbut@2@ene + Br2>H2O(c) cis@but@2@ene + Cl2>H2O (d) trans@but@2@ene + Cl2>H2O(e) 1@methylcyclopentene + Br2 in saturated aqueous NaClPredict the major product(s) for each reaction. Include stereochemistry where appropriate.(a) 1@methylcyclohexene + Cl2>H2O (b) 2@methylbut@2@ene + Br2>H2O(c) cis@but@2@ene + Cl2>H2OAddition of HCl to alkene X forms two alkyl halides Y and Z. (A) Label Y and Z as a kinetic or thermodynamic product and explain why. (B) Explain why the addition of HCl occurs at the exocyclic C=C, rather than the other C=C
- 6-46 Show how each compound might be synthesized by the SN2 displacement of an alkyl halide. SCH,CH, (a) -CH₂OH (c) (d) CHÍNH, 6-47 (a) Give twn synthecac fox (CI) qu (b) (e) H₂C=CH-CH₂CN n OLL BU (1) H-C=C-CH₂CH₂CH₂(a) Rank the following carbocations in order of increasing electrophilicity (1 = lowest electrophilicity, 4 = highest electrophilicity). (b) Rank the following 1,1-halomethylcyclopentanes in order of reactivity in an SN1 reaction (1 = lowest reactivity, 4 = highest reactivity. CH3 CI B with SNI, nor reactive means more stable (c) Rank the following species in terms of increasing nucleophilicity in an SN2 reaction in a po aprotic solvent (1 = lowest nucleophilicity, 4 = highest nucleophilicity).V. @Given the following mechanism fer me Y OCHS NaOH reaction show the detailed conversion of A to B •OCN3 CH3OH. OH (A) (B) c Ⓒ using the same detailed mechanism instead of cyclonexare ring as shown in product. B, propose and fer a product wil a cyclopentane ning instead of a cyclohexane viny. Ⓒ Exploumpand I with why campand (B) is preferred over the campanay campand with a cyclopentake ring..
- For each reaction, decide whether substitution or elimination (or both) is possible, andpredict the products you expect. Label the major products. chlorocyclohexane + NaOCH3 in CH3OH(i) OEt OEt 1) NaOEt 2) H3O* workup W 1) NaOEt 2) Br V Compound W can be synthesised in an excellent yield via an intramolecular Claisen reaction of 1,6-diester V. Draw the structure of product W and provide detailed reactions mechanisms to account for its formation. (ii) Draw the product X which would form upon the alkylation reaction of W with the reagents shown.What product(s) would you expect to obtain from reaction of 1, 3-cyclohexadiene witheach of the following?(a) 1 mol Br2in CH2Cl2(b) O3followed by Zn(c) 1 mol HCl in ether(d) 1 mol DCl in ether(e) 3-Buten-2-one (H2C = CHCOCH3)(f) Excess OsO4, followed by NaHSO3