i) Illustrate your knowledge of metathesis processes by drawing the mechanism for the reaction of compound (I)

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Question:

i) Illustrate your knowledge of metathesis processes by drawing the mechanism for the reaction of compound (I) to give compound (J) taking into account differences in alkene reactivity. Ensure that you use appropriate curly arrow notation. (13 marks)

ii) The intermediate (J) can cyclize under standard RCM conditions to give the desired fragment (F). But it can also produce another product. Illustrate your knowledge of metathesis processes by suggesting a structure for the major by-product of the RCM reaction of compound (J). (2 marks)