chm 2120 assignment 2

chm 2120 assignment 2 - Assignment 2 CHM 2120 2009 T Durst...

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CHM 2120 / 2009 Assignment 2 T. Durst Note: This assignment reviews the chemistry of alkenes with electrophilic reagents. These types of reaction were encountered in CHM 1321 last year. New material includes the acid base reactions to generate acetylide anions and their use in carbon–carbon bond forming reactions. 1. Predict the structure of the major organic product expected from each of the following and indicate the mechanism using arrows and drawing important intermediates. NOTE: I WILL ALWAYS TRY , especially in test or examinations, TO PRESENT REACTION BASED PROBLEMS SUCH AS THESE IN THE FOLLOWING MANNER. Reactant #1 + Reactant #2 catalyst , if any solvent product Always, use the catalyst first in predicting what will happen in a reaction O-SO 2 CH 3 CH 3 + CH 3 CH 2 - S (-) Na (+) ethanol ? a) b) H 3 C CH 3 Br + NaOCH 3 ethanol H 3 C CH 3 Br c) + K(+) (-) O CH 3 CH 3 CH 3 ? ? H 3 C CH 2 -OH Br K(+) (-) O CH 3 CH 3 CH 3 ? diethyl ether
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chm 2120 assignment 2 - Assignment 2 CHM 2120 2009 T Durst...

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