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Updated: Mar 8, 2026
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Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions
Published on: July 17, 2020
Enantioselective Synthesis of Cephalimysins B and C
David Chalupa1, Petra Vojáčková1, Jiří Partl1
1Department of Chemistry, Masaryk University , Brno, 625 00, Czech Republic.
Abstract:
The first synthesis of cephalimysins B and C is reported. The route features a Ni(II)-diamine-catalyzed enantioselective conjugate addition of a densely substituted 3(2H)-furanone and an efficient dihydroxylation-lactonization sequence as key steps in the assembly of the spirocyclic core. The fully synthetic strategy is amenable to analog preparation.
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