1,6-Conjugated addition-mediated [4 + 1] annulation: an approach to 2,3-dihydrobenzofurans
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DOI: 10.1039/c7qo00846e
Abstract: A formal 1,6-conjugated addition-mediated [4 + 1] annulation of ortho-hydroxyphenyl-substituted para-quinone methides with sulfonium or ammonium bromides has been described. This domino-type process offered an efficient method for the synthesis of 2,3-dihydrobenzofurans in good yields,… read more here.
Keywords: conjugated addition; addition mediated; mediated annulation; annulation approach ... See more keywords