Alkene bromination. The two butane isomers react with Br2. Draw the key reaction inter- mediates and the product(s); use arrow pushing to explain the stereochemical outcomes of the reactions Final Products Intermediate Br2 Final Products Intermediate Br2

[Review Topics] Teaid Use the References to access important values if needed for ti Kererences, Draw the cycloalkene that would react with the reagent given to account for the product formed. он H2S04 ? H2O CH3 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. C. opy aste - [F

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[Review Topics] [References] Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration/oxidation. но • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. C. aste Hdo [ド Previous ChemDoodle

1.Draw a structural formula for the more stable carbocation intermediate formed in the reaction shown. 2.Draw a structural formula for the major organic product of the reaction shown.

Alkene Epoxidation. The two butene isomers react with mCPBA, followed by an aqueous workup with NaOH/H2O. Draw the key reaction intermediates and the product(s); use arrow pushing to explain the stereochemical outcomes of the reactions 8. Intermediate Final Products MCPBA mCPBA NaOH/H2O .CO2OH Intermediate Final Products MCPBA NaOH/H20

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These are synthesis questions. You need to show how the starting material can be converted into the product(s) shown. You may use any reactions we have learned. Show all the reagents you need. Show each molecule synthesized along the way and be sure to pay attention to the regiochemistry and stereochemistry preferences for each reaction. If a racemic molecule is made along the way, you need to draw both enantiomers and label the mixture as "racemic".

2. In the hydroboration/oxidation of the alkene below, two diastereomers are possible. Circle the one that would be the major product. 1. B₂H6 2. NaOH, H₂O₂ HO HO amani 2

Use the image below to answer the following three questions. Note: Subscripts are not shown in answer choices, ex: H2 should be H2, NH3 should be NH3. Product A Product B Product C a. The reagents that would selectively yield ProductA are [ Select] b. The reagents that would selectively yield Product B are [Select] c. The reagents that would selectively yield Product Care [Select]