Question

please help me draw a mechanism for this reaction, include all lone-pairs and use curved arrow notation.

Thank you!!!

H2PO4 H2SO4 3-Methylcyclohexanol

Answer 1

V y. OH U U H₃ POA Ouvet Che "CH3 H₂SO4 3-methylcyclohexanol I-methyleyclo- 4-methyleyclo- hexene hexene major) (minor) Mechanism 3 3-methylcyclohexanol undergoes dehydration reaction when • reacted with viefuric acid to que tuvo main a prodrects as shaion obove. The mechanism of the reaction is ginen below - a Alcohol dehydration proceeds by an elimination a mechanlind called EL : - 0-H . hörn Ll oresina [ I- CH3 (3-methylcyclohexanot) Coxonium iony O PO3 H2 (2° carbocation) . MH SHERIA Yfo-P03H₂ _ II ~ CH3

→ E cha minor 14-methylcyclohexene) Carbocation II rearrangement (3 carbocation) c) Hz 4. mullylcyclohexeme (Major) Note : According to saytrev's rule, the more a Substituted alkeme is the more stable product a Comajer Produto)