02 Rotational Analysis Worksheet

02 Rotational Analysis Worksheet - decomposition of the...

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CHEMISTRY 225 ROTATIONAL ANALYSIS WORKSHEET ROTATIONAL ANALYSIS. Consider the branched alkane depicted below in a Newman projection. CH 3 H CH 3 CH 2 CH 3 H H 3 C a. ( ________ / 6) (3) Provide two additional staggered conformations for this molecule. (3) Circle the most stable rotational isomer and briefly justify your choice. c. ( ________ / 5) (2) Write a structural formula for the molecule in part a and identify the carbon-carbon bond about which rotation is being viewed. (2) Directly on the original Newman projection, locate all gauche interactions. (1) Directly on the original Newman projection, locate a pair of anti alkyl groups. d. ( ________ / 9) Chemists in California and Australia have described the gas phase
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Unformatted text preview: decomposition of the amino acid threonine [ Org. Lett . 2004 , 6 , 1561]. In the abstract of the paper the reactant was depicted by means of a Newman projection. threonine NH 2 OH H CH 3 CO 2 H H (2) Write a Newman projection for a rotational isomer of threonine. (3) Write a condensed structural formula for threonine. Label all stereogenic carbons of threonine with asterisks (4) Convert threonine to three-dimensional structures using the templates below. condensed structural formula C C HO NH 2 C C H 3 C CO 2 H...
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This note was uploaded on 06/18/2010 for the course CHEM 225 taught by Professor Markdec during the Spring '10 term at University of Michigan-Dearborn.

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02 Rotational Analysis Worksheet - decomposition of the...

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