Facile and innovative catalytic protocol for intramolecular Friedel-Crafts cyclization of Morita-Baylis-Hillman adducts: Synergistic combination of chiral (salen)chromium(III)/BF3·OEt2 catalysis.
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ABSTRACT: The chiral (salen)Cr(III)/BF3·OEt2 catalytic combination was found to be an effective catalyst for intramolecular Friedel-Crafts cyclization of electron-deficient Morita-Baylis-Hillman adducts. In presence of mild reaction conditions the chiral (salen)Cr(III)/BF3·OEt2 complex affords 2-substituted-1H-indenes from unique substrates of Morita-Baylis-Hillman adducts via an easy operating practical procedure.
SUBMITTER: Soundararajan K
PROVIDER: S-EPMC8404216 | biostudies-literature |
REPOSITORIES: biostudies-literature
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