A-LevelChemistryOrganic synthesis9701/12 · Oct/Nov 2010 · Q271 Mark

Part of the structure of strobilurin, a fungicide, is shown. R and R' are inert groups. [Figure showing part of strobilurin structure] If strobilurin is first warmed with aqueous sulfuric acid, and its product then treated with hydrogen in the presence of a palladium catalyst, what could be the structure of the final product?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A[Diagram A showing chemical structure]

B[Diagram B showing chemical structure]

C[Diagram C showing chemical structure]

D[Diagram D showing chemical structure]

✓ Correct answer

A: [Diagram A showing chemical structure]

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 2, question 27.

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