A catalytic asymmetric one-pot [3+2] cyclization/semipinacol rearrangement sequence: an efficient construction of a multi-substituted 3H-spiro[benzofuran-2,1'-cyclopentane] skeleton.
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DOI: 10.1039/c9cc00811j
Abstract: A facile and efficient method to form a chiral multi-substituted 3H-spiro[benzofuran-2,1'-cyclopentane] structural unit has been developed via a one-pot [3+2] cyclization/semipinacol rearrangement cascade. A catalysis system of Cu(ii)/BOX has been used to efficiently construct a… read more here.
Keywords: substituted spiro; benzofuran cyclopentane; cyclization; spiro benzofuran ... See more keywords