27. Answer ALL parts of this question. (a) (b) (c) The secondary alcohol shown below can be synthesised by reacting benzaldehyde (C6HSCHO) with methyl magnesium bromide (CH3MgBr), followed by the addition of aqueous acid (H*/H₂O). H -C-CH3 I он Outline, using curly arrows, the mechanism of this reaction. Suggest, without giving details of mechanism, an alternative pair of starting materials (one is a carbonyl compound and the other is a Grignard reagent) that could also be used to synthesise this compound. The naturally occurring cyanohydrin, mandelonitrile, can also be synthesised from benzaldehyde. State what other reagents would be needed in this synthesis and show the mechanism that leads to the formation of the mandelonitrile. H OH CN mandelonitrile

27. Answer ALL parts of this question. (a) (b) (c) The secondary alcohol shown below can be synthesised by reacting benzaldehyde (C6HSCHO) with methyl magnesium bromide (CH3MgBr), followed by the addition of aqueous acid (H*/H₂O). H -C-CH3 I он Outline, using curly arrows, the mechanism of this reaction. Suggest, without giving details of mechanism, an alternative pair of starting materials (one is a carbonyl compound and the other is a Grignard reagent) that could also be used to synthesise this compound. The naturally occurring cyanohydrin, mandelonitrile, can also be synthesised from benzaldehyde. State what other reagents would be needed in this synthesis and show the mechanism that leads to the formation of the mandelonitrile. H OH CN mandelonitrile

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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