3. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted without ambiguity. a. Sulfur can form ylides just like phosphorus, but the products they form are different from phosphorus ylides Ph H. H3C + Ph,S Ph `CH3 predict relative stereochemistry (Hint: think about orbital alignment) b. Dicarbonyls can be used to synthesize interesting heterocycles Ph Ph H* N-N H3C `CH3 H2N-NH -Ме Me

3. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted without ambiguity. a. Sulfur can form ylides just like phosphorus, but the products they form are different from phosphorus ylides Ph H. H3C + Ph,S Ph `CH3 predict relative stereochemistry (Hint: think about orbital alignment) b. Dicarbonyls can be used to synthesize interesting heterocycles Ph Ph H* N-N H3C `CH3 H2N-NH -Ме Me

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter20: Acidity And Pka Of Phenols

Section: Chapter Questions

Problem 11E

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