Direct introduction of a benzoyloxy subs
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Christopher J. Easton; Stephen G. Love
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Article
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1986
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Elsevier Science
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French
⚖ 208 KB
The copper-promoted reaction of B-lactams with t-butyl perbenzoate results in benzoyloxylation of the azetidin-2-one ring at the C-4 position. There is no competing reaction at the C-3 position, but reaction at exocyclic carbon a to nitrogen competes with ring substitution.