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ChemInform 2010, 41, issue 13 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Other natural products U 0800 DOI: 10.1002/chin.201013197 EDDA-Catalyzed Rapid Synthetic Routes for Biologically Interesting Polycycles Bearing Citrans and Chalcones: The First Total Synthesis of Sumadain A. — The key strategy involves a domino alkylation—cyclization reaction—electrocycliza- tion—H-migration—hetero Diels—Alder reaction affording three natural products desbenzylidenerubramin (III), rubraine (IV), and sumadain A (VIII). — (WANG, X.; LEE*, Y. R.; Tetrahedron 65 (2009) 49, 10125-10133; Sch. Chem. Eng. Technol., Coll. Eng., Yeungnam Univ., Gyeongsan 712-749, S. Korea; Eng.) — S. Adam 13- 197

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Page 1: ChemInform Abstract: EDDA-Catalyzed Rapid Synthetic Routes for Biologically Interesting Polycycles Bearing Citrans and Chalcones: The First Total Synthesis of Sumadain A

www.cheminform.wiley-vch.de

Other natural productsU 0800 DOI: 10.1002/chin.201013197

EDDA-Catalyzed Rapid Synthetic Routes for Biologically Interesting Polycycles Bearing Citrans and Chalcones: The First Total Synthesis of Sumadain A. — The key strategy involves a domino alkylation—cyclization reaction—electrocycliza-tion—H-migration—hetero Diels—Alder reaction affording three natural products desbenzylidenerubramin (III), rubraine (IV), and sumadain A (VIII). — (WANG, X.; LEE*, Y. R.; Tetrahedron 65 (2009) 49, 10125-10133; Sch. Chem. Eng. Technol., Coll. Eng., Yeungnam Univ., Gyeongsan 712-749, S. Korea; Eng.) — S. Adam

13- 197

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