2'-Deoxy-2'-fluorocoformycin and 2'-deoxy-8-epi-2'-fluorocoformycin have now been synthesized by a multistage reaction via 3,5-di-O-benzoyl-2-deoxy-2-fluoro-α- and -β-D-ribofuranosyl bromide. Also 2'-deoxy-2'-epi-2'-fluorocoformycin and 2'-deoxy-8,2'-diepi-2'-fluorocoformycin have been synthesized from 3,5-di-O-benzoyl-2-deoxy-2-fluoro-α-D-arabinofuranosyl bromide by a multistage reaction. These four 2'-fluorocoformycin derivatives are novel compounds and have a potent enzyme inhibiting activity against adenosine deaminase. In particular, they are useful for treating acute lymphocytic leukemia in virtue of the above activity. Other novel compounds also obtained include various intermediates useful for the synthesis of the above derivatives.
2'-Deoxy-2'-fluorocoformycin 和 2'-deoxy-8-epi-2'-fluorocoformycin 现已通过 3,5-di-O-benzoyl-2-deoxy-2-fluoro-α- 和 -β-D-ribofuranosyl bromide 的多级反应合成。此外,3,5-二-O-苯甲酰基-2-脱氧-2-
氟-
α-D-阿拉伯呋喃糖基
溴化物通过多级反应合成了 2'-deoxy-2'-epi-2'-fluorocoformycin 和 2'-deoxy-8,2'-diepi-2'-fluorocoformycin 。这四种 2'-
氟甲酰霉素衍
生物是新型化合物,对
腺苷脱氨酶具有强效的酶抑制活性。由于具有上述活性,它们特别适用于治疗急性淋巴细胞白血病。此外,还获得了其他新型化合物,包括用于合成上述衍
生物的各种中间体。