| 摘要 |
PROBLEM TO BE SOLVED: To provide a new method for preparing vinca-alkaloids, their addition salts with acids and their quaternary ammonium salts. SOLUTION: The method includes obtaining an intermediate by reacting a product corresponding to general formula (II) with other condensed cyclic compound, and reducing or cyanizing to obtain a final product. COPYRIGHT: (C)2011,JPO&INPIT |
