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Unformatted text preview: Example: 2-methyl-2-cyclohexen-1-ol H H Cl Cl Cl H H Cl F H Cl Br Cl H F Br 6) If stereochemistry is involved, cis/trans must be indicated. Example: cis-1,2-dibromoethene trans-1,2-dibromoethene 7) If more than tri or tetra substituted alkene or alkyne bond, E/Z nomenclature must be indicated. Give each substituent a priority by their molecular weights. Example: #1 #1 Cl>F Br>H (Z) (Z)-2-bromo-1-chloro-1-fluoroethene #1 Cl>F Br>H (E) #1 (E)-2-bromo-1-chloro-1-fluoroethene (Note: In this case, the carbon chain was numbered this particular way because the carbon that has the chlorine and fluorine attached to it is what we call "most substituted" carbon, meaning that this particular carbon has many substituents on it other than hydrogen.) (E)-4-ethyl-5-methylnonene (Z)-4-ethyl-5-methylnonene...
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- Spring '07