2.24 quiz key

2.24 quiz key - Weekly Quiz February 24, 2006 1. Draw all...

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Weekly Quiz February 24, 2006 1. Draw all the isomers (constitutional and cis-trans) for C 4 H 6 Cl 2 . Draw all isomers (constitutional and stereoisomers) For C 4 H 6 Cl 2 : * You can have 3 different four carbon rings that Cl can be substituted on—2 of these constitutional isomers have cis and trans isomers. Dichlorocyclobutane Cl Cl Cis -1,2-dichlorocyclobutane Cl Cl Trans -1,2-dichlorocyclobutane Cl Cl Cis -1,3-dichlorocyclobutane Cl Cl
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Trans -1,3-dichlorocyclobutane Cl Cl You can have numerous substituted cyclopropane rings. Remember that the terms cis and trans are relational. They describe the relationship between two substituents. For example, in the first structure below (labeled), the two Cl groups are cis to one another and the Cl on carbon 2 and the CH 3 on carbon 1 are trans to one another. Cl Cl CH 3 CH 3 Cl Cl Cl Cl CH 3 CH 3 Cl Cl CH 3 Cl Cl Cl Cl CH 3 1 2 3 2. Which isomer (cis or trans) of 1-bromo-3-methoxyCYCLOHEXANE is most stable? The cis isomer is more stable because it has both substituents in the equatorial position.
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This note was uploaded on 04/20/2008 for the course CHEM 231 taught by Professor Montaguesmith during the Spring '06 term at Maryland.

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2.24 quiz key - Weekly Quiz February 24, 2006 1. Draw all...

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