Paper
A One-Pot Approach to 2,3-Diarylbenzo[ b]furans through N-Heterocyclic Carbene-Catalyzed 1,6-Conjugate Addition Followed by Acid Mediated Dehydrative Annulation.
Published Jul 20, 2018 · Gurdeep Singh, Prithwish Goswami, Sonam Sharma
The Journal of organic chemistry
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Abstract
A one-pot protocol for the synthesis of 2,3-diarylbenzo[ b]furan derivatives through an N-heterocyclic carbene catalyzed 1,6-conjugate addition of aromatic aldehydes to 2-hydroxyphenyl-substituted para-quinone methides followed by acid-mediated dehydrative annulation has been developed. This protocol allowed us to access a wide range of 2,3-diarylbenzo[ b]furan derivatives in moderate to good yields.
This one-pot method allows for the synthesis of a wide range of 2,3-diarylbenzo[ b]furan derivatives in moderate to good yields using N-heterocyclic carbene-catalyzed 1,6-conjugate addition and acid-mediated dehydrative annul
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