assignment8answers - CHM 3120 Assignment 8 1. The following...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: CHM 3120 Assignment 8 1. The following compound was prepared recently by a graduate student as part of her thesis work. After several days at room temperature, the student found that the structure of the product had changed. How do you account for her observation? CH 3 CH 3 H 3 C H CH 3 H CH 3 [1,5]H [1,5]H 2. When the following molecule is heated, a mixture of three products is obtained. Provide a mechanism that accounts for the production of these products. H 3 C H 3 C CH 3 CH 3 + CH 3 CH 3 + CH 3 CH 3 H 3 C H 3 C CH 3 CH 3 [1,5]C [1,5]H H CH 3 CH 3 [1,5]H CH 3 CH 3 H 3. When 1, 3, 5-cyclooctatriene that has been labeled with deuterium at the 7 and 8 positions is heated, a mixture of products is obtained in which deuterium is found only at the 3, 4, 7 and 8 positions. How can you account for the selectivity of this process? D D D H D [1,5]D 1 3 4 7 8 [1,5]H [1,5]D or H shifts will move D (or H) 5 carbon positions. The ring size ensures that this can happen between positions 3, 4 7 and 8 only as getting the D to other positions cannot be done with a [1,5]...
View Full Document

Page1 / 4

assignment8answers - CHM 3120 Assignment 8 1. The following...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online