Question

2. When (1R, 2R)-1-bromo-2-methylcyclohexane reacts with lithium methoxide in methanol, both substitution and elimination reactions occur to produce three unique products. What are the structures of the three products produced by this reaction? sepenbare CHOLE сно CH3 3. When (R)-3-mesyl-3-ethyloctane reacts with potassium hydroxide in aqueous THF elimination occurs to produce three unique alkene products. What are the structures of the three products produced by this reaction? MsOCH.CH HOK THF/H20 4. When (S)-2-fluoro-2-iodobutane reacts with hydroxide ion in aqueous THF, both substitution and elimination reactions occur to produce three unique products. What are the structures of the three products produced by this reaction? CH,CH,0 Na CH,CH,OH

Answer 1

Answers to the question 2, 3, 4, 5 and 6 (including all sub parts ) have been explained as below.

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DATE: that Chenol SNg is favoura with racemization och2013 e En elimination Favoured + Nat Alkene a rotbu. Hetru & E2 OF

DATE - Ez Nara OMG noche THE fe E1 88 hellz tots Nagen en Naten era Ht ong nochen on en 3 fhutz - E2 TotBu not be Per lorem k) a pusa

PAGE NO : DATE: Hen Naeche HOCHZ to trying in reach E-isomer. + Halo एम trans. Et reaction trad 169,- Secondary carbocation is formed, nehich undergo rearrangement to testare cosbocation. & the overall reaction talle the Ea - elimination pathway only in heating condition

- dimination Stote Secondary -BY I Casbocation Fertiary casbocaties A Bigust Stowa - I It is En elimination follow Zaitser nele - more substituted allene tooms. Gas four membered sing is higher stain so the casbocation reananges through alkyl shipt to form 5 membered stable cabocation to get f-methy adopentone podduct.