Dipolar Cycloaddition Approach toward Harmicine-Type Alkaloids: Synthesis and Stereochemical Determination.
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DOI: 10.1021/acs.orglett.5c01926
Abstract: A rapid synthesis of harmicine was achieved through 1,3-dipolar cycloaddition and facile ring reconstruction, including mesylation, cleavage of the N-O bond, and subsequent cyclization. An enzymatic kinetic resolution was developed to obtain optically enriched tetrahydro-β-carboline,… read more here.
Keywords: stereochemical determination; dipolar cycloaddition; cycloaddition approach; approach toward ... See more keywords
An Intramolecular Cycloaddition Approach to the Kauranoid Family of Diterpene Metabolites.
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DOI: 10.1021/acs.orglett.8b03810
Abstract: Synthetic studies toward the ent-kauranoid family of diterpene natural products are reported. An intramolecular (4 + 3) cycloaddition allows the direct elaboration of diverse natural product frameworks, encompassing a challenging bicyclo[3.2.1]octane core. The established routes… read more here.
Keywords: intramolecular cycloaddition; cycloaddition approach; kauranoid family; family diterpene ... See more keywords