(A) The literature reports that when alcohol 1 (see structure below) is treated with thionyl chloride in diethyl ether, the single product is (35,5S)-3- chloro-5-methylcyclohexene (2) (no enantiomer of diastereomer of 2 is formed). Explain by writing a detailed mechanism. Look at the solution to LC-39 (B) Using a mechanism, predict what single stereoisomer of 2 should form when pyridine is substituted for the diethyl ether. (C) Finally, predict mechanistically what additional stereoisomers of 3- chloro-5-methylcyclohexene should form when 1 is treated with Lucas reagent (ZnCl₂/H₂0 CI).
(A) The literature reports that when alcohol 1 (see structure below) is treated with thionyl chloride in diethyl ether, the single product is (35,5S)-3- chloro-5-methylcyclohexene (2) (no enantiomer of diastereomer of 2 is formed). Explain by writing a detailed mechanism. Look at the solution to LC-39 (B) Using a mechanism, predict what single stereoisomer of 2 should form when pyridine is substituted for the diethyl ether. (C) Finally, predict mechanistically what additional stereoisomers of 3- chloro-5-methylcyclohexene should form when 1 is treated with Lucas reagent (ZnCl₂/H₂0 CI).
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Organomagnesium halides are Grignard reagents. Francois Auguste Victor Grignard, a French chemist who received the Nobel Prize in Chemistry in 1912, created these highly useful reagents.
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