Tutorial 3 - Solutions

Tutorial 3 - Solutions - CHEMISTRY 1AA3 2010 TUTORIAL...

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CHEMISTRY 1AA3 2010 TUTORIAL PROBLEM SET 3 –SOLUTIONS __________________________________________________________________________ Page 1 of 4 1. Use the E/Z nomenclature to identify the configuration of each alkene. SOLUTION: We must assign priority to one of the two groups attached to each end of the double bond. Priority is based on the higher atomic number of the directly attached atoms. If both atoms are the same, we look for the largest atomic number attached to them. If the high priority atoms are on the same side of the double bond, it is Z, zusammen . If they are on opposite sides, it is E, entgegen. (i) E -pent-2-ene (C > H) (ii) Z -2-bromo-but-2-ene (Br > C, C > H) (iii) E -2-bromo-3-methoxy-but-2-ene (Br > C, O > C) (iv) 2-methyl-pent-2-ene (Note: no E/Z designation in this case as there is no possibility of geometric isomerism) 2. In the following molecule, circle the following features: (a) an alcohol (b) an amine (c) a chloro group attached to a tertiary carbon atom (d)
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This note was uploaded on 04/13/2011 for the course CHEM 1AA3 taught by Professor H during the Spring '08 term at McMaster University.

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Tutorial 3 - Solutions - CHEMISTRY 1AA3 2010 TUTORIAL...

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