(b) Answer ALL parts (i)-(iv) of this question. The scheme below outlines a synthesis of a vitamin A analogue. (i) Suggest reagents for the conversion of 1 into 2 and write a mechanism for this reaction; (ii) Suggest a reagent for the conversion of 3 into 4; (iii) Propose a mechanism for the conversion of 4 into 5; (iv) Suggest reagents for the conversion of 5 into 6 and provide a mechanism for this transformation. reagents? 2 reagents? PPH3; HBr ÓH 3 PPH3 Br reagents? 5

(b) Answer ALL parts (i)-(iv) of this question. The scheme below outlines a synthesis of a vitamin A analogue. (i) Suggest reagents for the conversion of 1 into 2 and write a mechanism for this reaction; (ii) Suggest a reagent for the conversion of 3 into 4; (iii) Propose a mechanism for the conversion of 4 into 5; (iv) Suggest reagents for the conversion of 5 into 6 and provide a mechanism for this transformation. reagents? 2 reagents? PPH3; HBr ÓH 3 PPH3 Br reagents? 5

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter11: Reactions Of Alkyl Halides: Nucleophilic Substitutions And Eliminations

Section11.SE: Something Extra

Problem 35MP: One step in the urea cycle for ridding the body of ammonia is the conversion of argininosuccinate to...

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