Studies on Seven-membered Ring Compounds. VIII. Syntheses of 5-Nitrosotropolone Derivatives.
作者:Genshun Sunagawa、Yasunobu Sato、Mitsuo Watatani
DOI:10.1248/cpb.11.1423
日期:——
3-Substituted 5-nitrosotropolone (IIIa∼c), 7H-cyclohepta [b] pyrazin-7-one oxime (VIIIa, b), 8H-cyclohepta [b] quinoxalin-8-one oxime (IXa∼c), 9H-cyclohepta [b] naphtho [2, 3-e] pyrazin-9-one oxime (X), 5-nitrosotropolone guanidine adduct (XI), 2-(2-acetylhydrazino)-5-nitrosotropone (XII and its analogues) and 2-(2-troponylhydrazino)-5-nitrosotropone (XIV) were synthesized according to the schemes shown in Chart 1, 2, and 3. In addition, some reactions related to IIIa and IIIc were described. Among these derivatives, 2-(2-isonicotinoylhydrazino)-5-nitrosotropone and its N-oxide showed remarkable anti-tumor activities on ascitic and solid forms of Ehrlich tumor and Sarcoma 180.
3-取代的 5-亚硝基托罗朋(IIIa∼c)、7H-环庚烷[b]吡嗪-7-酮肟(VIIIa, b)、8H-环庚烷[b]喹喔啉-8-酮肟(IXa∼c)、9H-环庚烷[b]萘并[2, 3-e] 吡嗪-9-酮肟(X)、根据图 1、2 和 3 所示的方案合成了 5-亚硝基托罗醌胍加合物(XI)、2-(2-乙酰基肼基)-5-亚硝基托罗醌(XII 及其类似物)和 2-(2-丙酰肼基)-5-亚硝基托罗醌(XIV)。此外,还描述了一些与 IIIa 和 IIIc 有关的反应。在这些衍生物中,2-(2-异烟酰肼基)-5-亚硝基托品及其 N-氧化物对腹水型和实体型艾氏瘤和肉瘤 180 具有显著的抗肿瘤活性。