Grignard reactions are often limited by steric hindrance. While Grignard reagents react in high yield with ethylene oxideand monosubstituted epoxides, yields are often lower with disubstituted epoxides. Tri- and tetrasubstituted epoxides reactwith difficulty, if at all.(a) Show how to make these alcohols by a Grignard reacting with an epoxide.

Organic Chemistry
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ISBN:9781305080485
Author:John E. McMurry
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Chapter16: Chemistry Of Benzene: Electrophilic Aromatic Substitution
Section16.SE: Something Extra
Problem 74AP: Identify the reagents represented by the letters a-e in the following scheme:
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Grignard reactions are often limited by steric hindrance. While Grignard reagents react in high yield with ethylene oxide
and monosubstituted epoxides, yields are often lower with disubstituted epoxides. Tri- and tetrasubstituted epoxides react
with difficulty, if at all.
(a) Show how to make these alcohols by a Grignard reacting with an epoxide.

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