cheminform abstract: a concise synthesis of (-)-indolizidines 209d and 209b

ChemInform 2009, 40, issue 20 © 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Alkaloids U 0600 A Concise Synthesis of (-)-Indolizidines 209D and 209B. — A stereoselective synthesis of (-)-indolizidine 209D (X) and 209B (XIV) comprises an asymmetric addition of ethyl lithiopropiolate to aldehyde (I) or ketone (XI) followed by a hydrogenation/ cyclization sequence which forms the bicyclic skeleton. — (WU, H.; YU, M.; ZHANG, Y.; ZHAO*, G.; Chin. J. Chem. 27 (2009) 1, 183-188; Lab. Mod. Synth. Org. Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — M. Bohle 20- 186

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Page 1: ChemInform Abstract: A Concise Synthesis of (-)-Indolizidines 209D and 209B

www.cheminform.wiley-vch.de

AlkaloidsU 0600 A Concise Synthesis of (-)-Indolizidines 209D and 209B. — A stereoselective syn-

thesis of (-)-indolizidine 209D (X) and 209B (XIV) comprises an asymmetric addition of ethyl lithiopropiolate to aldehyde (I) or ketone (XI) followed by a hydrogenation/cyclization sequence which forms the bicyclic skeleton. — (WU, H.; YU, M.; ZHANG, Y.; ZHAO*, G.; Chin. J. Chem. 27 (2009) 1, 183-188; Lab. Mod. Synth. Org. Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — M. Bohle

20- 186

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