At 25 °C, pure (1S,3R)-1-ethyl-3-isopropylcyclohexane A mixture of both (15,3R) and (1R,3S) isomers has a [a] of 27.2. a. What is the [alp of the pure (1R,3S) isomer? b. Which isomer is in excess? has a [alp of -88. c. What is the % ee? d. What is the total percentage of (1S,3R) isomer in the mixture?

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G.170.

 

At 25 °C, pure
(1S,3R)-1-ethyl-3-isopropylcyclohexane
A mixture of both (15,3R) and (1R,3S) isomers has a [a] of 27.2.
a. What is the [a]o of the pure (1R,3S) isomer?
b. Which isomer is in excess?
has a [a]p of -88.
c. What is the % ee?
d. What is the total percentage of (1S,3R) isomer in the mixture?
Transcribed Image Text:At 25 °C, pure (1S,3R)-1-ethyl-3-isopropylcyclohexane A mixture of both (15,3R) and (1R,3S) isomers has a [a] of 27.2. a. What is the [a]o of the pure (1R,3S) isomer? b. Which isomer is in excess? has a [a]p of -88. c. What is the % ee? d. What is the total percentage of (1S,3R) isomer in the mixture?
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