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Unformatted text preview: amount? Indicate your answer by marking the box labeled MAJOR PRODUCT with the symbol X. Propose a mechanism to account for formation of this major hydrocarbon product . CH 3 CH 3 H Br C 7 H 16 O ( S )-3-Bromo-2,3-dimethylpentane H 2 O/acetone (racemic) + (4 d i f f e r e n t isomers; draw 1 per box below) C 7 H 14 MAJOR PRODUCT MAJOR PRODUCT MAJOR PRODUCT MAJOR PRODUCT ( E ) ( Z ) X The four different hydrocarbons correspond to the four different alkenes that can form if the starting material undergoes an E1 reaction. In general, when more than one alkene product is possible in an E1 reaction, the major product is the most highly substituted (most stable) alkene. The mechanism that explains formation of this product is given below: H 3 C H 3 C H Br H 3 C H CH 3 H O H CH 3 CH 3 H O H H Br...
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- Spring '05