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Question
Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
(i) 1−Bromo−1−methylcyclohexane (ii) 2−Chloro−2−methylbutane (iii) 2,2,3−Trimethyl−3−bromopentane.
(i) 1−Bromo−1−methylcyclohexane (ii) 2−Chloro−2−methylbutane (iii) 2,2,3−Trimethyl−3−bromopentane.
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Solution
i) 1−Bromo−1−methyl cyclohenceall the reachons come under dehydronalogenatter (all β−hydrogens are equivalent )ii) 2−chlono−2−methyl butane according to say letters rule. (a) is maximum proofing (main compound )iii) 2,2,3−Trimethyl−3−tromopentaneAccording to saprophytes rules,
i) 1−Bromo−1−methyl cyclohence
all the reachons come under dehydronalogenatter
(all β−hydrogens are equivalent )
ii) 2−chlono−2−methyl butane
according to say letters rule. (a) is maximum proofing (main compound )
iii) 2,2,3−Trimethyl−3−tromopentane
According to saprophytes rules,
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