Synthesis and Molecular Structure of Ethyl [N-tosyl-(R)-prolyloxy]-2(S)-[4-cyano-8,8-ethylenedioxy-5-oxo-5,6,7,8-tetrahydroindolizin-3-yl] Acetate, a Key Intermediate in the Total Synthesis of (20S)-Camptothecins

Author： Kuang Yun-Yan   Chen Fen-Er  

Publisher： MDPI

E-ISSN： 1420-3049|12|11|2507-2514

ISSN： 1420-3049

Source： Molecules, Vol.12, Iss.11, 2007-11, pp. : 2507-2514

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