Mitomycin derivatives having unique condensed-ring structures. Their synthesis and antitumor activity.
作者:HITOSHI ARAI、YUTAKA KANDA、TADASHI ASHIZAWA、MAKOTO MORIMOTO、KATSUSHIGE GOMI、MOTOMICHI KONO、MASAJI KASAI
DOI:10.7164/antibiotics.47.1312
日期:——
A series of mitomycin derivatives 1-3 having unique condensed-ring structures was synthesized and evaluated for their anticellular and antitumor activity. These compounds were synthesized by the Michael addition of 1.3-dicarbonyl compounds to 6-demethyl-7,7-(ethylenedioxy)-6,7-dihydro-6-methylenemitosanes (4-6, and 14) and the subsequent cyclization. For the preparation of 1. the allyloxycarbonyl (Aloc)
合成了一系列具有独特的稠环结构的丝裂霉素衍生物1-3,并评估了它们的抗细胞和抗肿瘤活性。这些化合物是通过将1.3-二羰基化合物迈克尔加成至6-去甲基-7,7-(亚乙二氧基)-6,7-二氢-6-亚甲基二氢呋喃酮(4-6和14)并随后环化而合成的。为了制备1.烯丙氧基羰基(Aloc)基团可用于保护氮丙啶(1a-NH),因为在温和的条件下用Pd(0)和HCO 2 H-NEt 3进行脱保护时,底物没有分解。在这些结构独特的衍生物中,化合物1a,1b,1d和1e对小鼠的HeLa S3人肿瘤细胞和肉瘤180实体瘤非常有效。