The invention relates to the synthesis and complete stereochemical assignments of cytotoxic compounds such as compound 28-a and its stereoisomers:
The invention further provides processes for making the compounds, their synthetic intermediates, and for methods of using the compounds and their pharmaceutical compositions for the treatment of neoplastic diseases.
该发明涉及合成和对细胞毒性化合物的完全立体
化学赋值,如化合物28-a及其立体异构体。该发明还提供了制备这些化合物、它们的合成中间体的方法,以及使用这些化合物及其药物组合物治疗肿瘤性疾病的方法。