Page 117 - 201812
P. 117

第 12 期                 甘春芳,等:  苯并咪唑基取代的甾体衍生物合成及其抗肿瘤活性                                   ·2085·


            制作用。其中,以苯并咪唑基中苯环存在氟取代基                                 antiviral evaluations of 1-(substituted benzyl)-2-substituted-5,
            时的化合物 5c 和 6c 表现较为显著,IC 50 值分别为                        6-dichlorobenzimidazoles as nonnucleoside analogues  of 2, 5,
                                                                   6-trichloro-1-(β-D-ribofuranosyl) benzimidazole[J].J Med Chem,
            (15.4±3.8)和(9.2±0.6)μmol/L。这些化合物对其                     1998, 41(8): 1252-1262.
            他测试细胞也表现出一定的体外选择性抑制作用,                             [3]   Denny W A, Rewcastle G W, Baguley B C. Potential  antitumor
            如 5a 对 CNE-2 细胞表现出一定的抑制,5i 和 6a 对                      agents structure-activity relationships for 2-phenylbenzimidazole-
                                                                   4-carboxamides,  a  new class of  minimal DNA-intercalating agents
            HeLa 和 HEPG2 细胞表现出选择性抑制,6b 对                           which may not act via topoisomerase II[J].J Med Chem, 1990, 33(2):
            CNE-2 和 BT474 表现明显的抑制作用。进一步将所                          814-819.
                                                               [4]   Fonseca T, Gigante B, Gilchrist T L. A short synthesis of phenanthro
            合成化合物的抗肿瘤活性和其分子结构进行比较,
                                                                   [2, 3-d] imidazoles from dehydroabietic acid.  Application of the
            初步发现如下规律:                                              methodology as a convenient route to benzimidazoles[J]. Tetrahedron,
                 (1)将孕甾醇酮 C-17-位连接上苯并咪唑杂环                         2001, 57(9): 1793-1799.
                                                               [5]   Hirashima S, Suzuki T, Ishida T,  et al. Benzimidazole  derivatives
            药效基团后,化合物对与性激素相关的卵巢癌
                                                                   bearing substituted biphenyls as hepatitis C  Virus NS5B
            (SKOV3)及乳腺癌(BT474)细胞表现出较好的                             RNA-Dependent RNA polymerase inhibitors: structure-activity
            抑制生长增殖活性;                                              relationship studies and identification of a potent and highly selective
                                                                   inhibitor JTK-109[J]. J Med Chem, 2006, 49(15): 4721-4736.
                 (2)从苯并咪唑的结构来看,当苯并咪唑的苯
                                                               [6]   Tebbe M J, Spitzer W A, Victor F,  et al. Antirhino/enteroviral
            环上取代基为供电子基团(如 5e, 5i)时,化合物对                            vinylacetylene benzimidazoles: a study of their activity and oral
            肿瘤细胞基本无抑制作用。而当取代基为吸电子基团                                plasma levels in mice[J]. J Med Chem, 1997, 40(24): 3937-3946.
                                                               [7]   Zhu N, Ling Y, Lei X,  et al. Novel P450 17α  inhibitors:
            (如 6b, 6c)时,化合物均具有明显的抑制活性。
                                                                   17-(20-oxazolyl)-and 17-(20-thiazolyl)-androstene derivatives[J].
                 (3)从表 1 中数据可以看出,当化合物 5 中                          Steroids, 2003, 68(7/8): 603-611.
            3'β-乙酰氧基脱去乙酰基成为羟基后,所得到的具有                          [8]   Kovács D, Wölfling J, Szabó N, et al. An effcient approach to novel
                                                                   17-5-(1,2,4)-oxadiazolyl androstenesvia the cyclodehydration  of
            3'β-羟基结构的化合物 6 抑制活性得到不同程度的
                                                                   cytotoxic O-steroidacylamidoximes,  and an evaluation of their
            提升,这可能是提高了化合物的亲水性及氢键成键                                 inhibitory action  on 17α-hydroxylase/C17,20-lyase[J]. Eur J Med
            能力的缘故。                                                 Chem, 2013, 70: 649-660.
                                                               [9]   He H W, Hong Q M, Lai Z, et al. Potent DGAT1 inhibitors in the
                                                                   benzimidazole  class with a pyridyl-oxy-cyclohexanecarboxylic acid
            3   结论                                                 moiety[J]. Acs Med Chem Lett, 2013, 4(8): 773-778.
                                                               [10]  Meng Jiangping (孟江平), Geng Rongxia (耿蓉霞), Zhou Chenghe
                 以孕烯醇酮为原料,通过 5 步反应,设计合成                            (周成合), et al. Research progress of benzimidazole[J]. Chin J New
            了 18 个新的 C-17苯并咪唑甾体化合物,并对合成                           Drugs (中国新药杂志), 2009, 18(16): 1505-1514.
                                                               [11]  Ma B, Xiao ZY,  Chen YJ,  et al. Synthesis and structure activity
            物进行了结构表征。对部分目标化合物的体外抗肿
                                                                   relationships study of cytotoxic bufalin 3-nitrogen-containing-ester
            瘤活性进行测试,结果表明,化合物对与性激素相                                 derivatives[J]. Steroids, 2013, 78(5): 508-512.
            关的卵巢癌(SKOV3)及乳腺癌(BT474)细胞表                         [12]  Hernández-Linares M G, Sandoval-Ramírez J, Meza-Reyes S, et al.
                                                                   Gabriel Guerrero-Luna Stereospecific synthesis  of new steroidal
            现出较好的抑制生长增殖活性。其中,苯并咪唑基                                 isoxazoles in dry media[J]. Steroids, 2011, 76(14): 1521-1526.
            苯环中存在氟取代基时,形成的化合物 5c 和 6c 对                        [13]  Bansal R, Acharya P C. Synthesis and antileukemic activity of
            卵巢癌(SKOV3)细胞具有良好的选择性抑制活性,                              16E-[4-(2-carboxy)ethoxybenzylidene]-androstene amides[J]. Steroids,
                                                                   2012, 77(5): 552-557.
            IC 50 值分别为(15.4±3.8)和(9.2±0.6)μmol/L。另             [14]  Bansal R, Guleria S, Thota S, et al. Design, synthesis and evaluation
            外,从苯并咪唑的结构来看,与苯环上取代基为供                                 of novel 16-imidazolyl substituted steroidal derivatives possessing
            电子基团的产物相比,当苯环上存在吸电子取代基                                 potent diversified  pharmacological properties[J]. Steroids, 2012,
                                                                   77(6): 621-629.
            时,化合物对肿瘤细胞的抑制活性显著提高,甾核                             [15]  Huang L H,  Zheng Y F, Lu  Y Z,  et al. Synthesis and biological
            C-3位为羟基结构时可使化合物的抑制活性得到提                               evaluation  of  novel  steroidal[17,16-d][1,2,4]triazolo  [1,5-a]
            升。此类化合物对性激素相关的其他肿瘤细胞的活                                 pyrimidines[J]. Steroids, 2012, 77(6): 710-715.
                                                               [16]  Huang L H, Zheng Y F, Lu Y Z,  et al. Synthesis of novel D-ring
            性有待进一步深入研究,这些化合物的合成及抗肿                                 fused 70-aryl-androstano[17,16-d][1,2,4] triazolo [1,5-a]pyrimidines
            瘤活性初筛结果为进一步设计和优化甾体抗肿瘤类                                 [J]. Steroids, 2012, 77(5): 367-374.
            药物提供了理论参考。                                         [17] Cui Jianguo (崔建国), Zhao Dandan (赵丹丹), He Dongmei (何冬
                                                                   梅), et al. Synthesis of Dehydroepiandrosteronyl thiazole derivatives
                                                                   and their antiproliferative evaluation[J]. Chin J Org Chem (有机化
            参考文献:
                                                                   学). 2016, 36(3): 630-637.
            [1]   Tebbe M J, Spitzer W A, Victor F,  et al. Antirhino/enteroviral   [18]  Cui Jianguo (崔建国), Liu Liang (刘亮), Gan Chunfang (甘春芳),
                 vinylacetylene benzimidazoles: a study of their activity and oral   et al. Synthesis and biological activity of steriods bearing aromatic
                 plasma levels in mice[J]. J Med Chem, 1997, 40(24): 3937-3946.   rings and heterocycles[J]. Prog Chem (化学进展). 2014, 26(2/3):
            [2]   Porcari A R, Devivar R V, Kucera L S, et al. Design, synthesis, and   320-333
   112   113   114   115   116   117   118   119   120   121   122