(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).

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Can you make sure to include what the reactions follow SN1, SN2, SNi etc

1.
(A)
(B)
(C)
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
Using a mechanism, predict what single stereoisomer of 2 should form
when pyridine is substituted for the diethyl ether.
Finally, predict mechanistically what additional stereoisomers of 3-
chloro-5-methylcyclohexene should form when 1 is treated with Lucas
reagent (ZnCl₂/H₂O*CI).
CH3
OH
H
CH3
H
2
Transcribed Image Text:1. (A) (B) (C) 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 Using a mechanism, predict what single stereoisomer of 2 should form when pyridine is substituted for the diethyl ether. Finally, predict mechanistically what additional stereoisomers of 3- chloro-5-methylcyclohexene should form when 1 is treated with Lucas reagent (ZnCl₂/H₂O*CI). CH3 OH H CH3 H 2
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