HMPA-Mediated conjugate addition of alkyl- and phenylthioallyl anions to cyclopentenone |
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Authors: | Malcolm R Binns Richard K Haynes Timothy L Houston WRoy Jackson |
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Institution: | 1. Department of Organic Chemistry, the University of Sydney, Sydney, N.S.W. 2006, Australia |
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Abstract: | One equivalent of HMPA induces 1,4-addition of the title anions predominantly through the -position to cyclopentenone in THF at ?78°. In THF alone irreversible addition takes place to give mixtures comprising largely and -1,2 products. |
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