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Prof M Wills1 Year 1 M Wills test 3 for first year 22nd November 2010. Write your answers on a piece of paper. Write your name at the top of the paper.

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Presentation on theme: "Prof M Wills1 Year 1 M Wills test 3 for first year 22nd November 2010. Write your answers on a piece of paper. Write your name at the top of the paper."— Presentation transcript:

1 Prof M Wills1 Year 1 M Wills test 3 for first year 22nd November 2010. Write your answers on a piece of paper. Write your name at the top of the paper. Hand it in at the end of the lecture. It will be marked and returned to you later. 1) Add arrows to the following mechanism: 2) Predict the product formed in the reaction below, and show a mechanism for its formation: 3 marks 4 marks

2 Prof M Wills2 3) Predict the product formed in the reaction below, and show a mechanism for its formation: 3 marks

3 A very good answer:

4 A surprisingly common error – remember that the H and the br Are removed from ADJACENT carbons, not the same one. A relatively minor error – antiperiplanar H is best one aligned for removal.


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