Catalytic asymmetric [3 + 2] cycloaddition of pyrazolone-derived MBH carbonate: highly stereoselective construction of the bispiro-[pyrazolone-dihydropyrrole-oxindole] skeleton.
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DOI: 10.1039/d2cc00618a
Abstract: A catalytic asymmetric construction of the bispiro[pyrazolone-dihydropyrrole-oxindole] skeleton catalyzed by chiral DMAP-derived catalyst was successfully achieved by employing recently explored pyrazolone-derived MBH carbonate in high yields with excellent stereoselectivities. The proposed transition state indicated that… read more here.
Keywords: bispiro pyrazolone; dihydropyrrole oxindole; pyrazolone dihydropyrrole; construction bispiro ... See more keywords