Highly regioselective additions of certa
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Paul C. Ostrowski; Vinayak V. Kane
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Article
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1977
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Elsevier Science
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French
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Since the late 1960's, considerable effort has been devoted towards the discovery of useful synthetic equivalents of the acyl anion'. Among the most widely used reagents are the metalated 1,3-dithiane derivatives2. The Michael addition of these acyl anion equivalents to a,B-unsaturated ketones is a