Pd-catalyzed homo-coupling of benzofurans: one-pot synthesis of diverse 3,3 & PRIME;-bisbenzofurans
Organic & biomolecular chemistry(2023)
摘要
An efficient and one-pot synthesis of 3,3 & PRIME;-bisbenzofuran derivatives has been developed. The protocol involved the use of a Pd catalyst and Cu(OAc)(2) along with molecular oxygen as the oxidant to afford bisbenzofurans via a dehydrogenative homo-coupling reaction. The reaction exhibited good functional group/heterocycle tolerance and is amenable for gram scale synthesis.
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关键词
benzofurans,synthesis,pd-catalyzed,homo-coupling,one-pot
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