The preparation of ฮฑ-tetralones from ben
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Derek N. Hickman; Timothy W. Wallace; J. Michael Wardleworth
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Article
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1991
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Elsevier Science
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French
โ 298 KB
1-Alkenylbenzocyclobuten-1-ols, prepared from benzocyclobutenones I la the addition of alkenylmagnesmm brormdes, or the addmon of alkynylhthmm reagents followed by (E)-selective reduction of the trtple bond, undergo successtve thermal 4~ and 6~ electrocychc reactions leadmg to substituted 3,4-dthydr