CHEM263 Midterm: CHEM 263 UofA Chem161 Midterm 2000

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31 Jan 2019
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Dr. john c. vederas: structure and nomenclature - 56 points , draw structures for which names are given, or name the given structures by any correct (systematic or common) nomenclature. Be sure to give cis or trans (or if appropriate z or e) assignment to the isomer where indicated by asterisks (***). (4 points each: chloroform, vinyl chloride. 8: determine whether the following pairs of structures are identical, structural isomers, or stereoisomers. (4 points each) 4: conformation, draw the newman projection showing the gauche conformation of the central bond of hexane. (4 pts, draw the most stable conformation of the molecule shown below. If you make an error, please redraw the template. (2 pts: in the structure below, circle one of the isoprene units and specify to what type of terpene class this molecule belongs. (2 pts) The highly irritating and toxic compound in the extract is cantharidin, which contains only c, h and o atoms.