新型3-氨基氮杂环丁烷衍生物的合成

以3-羟基氮杂环丁烷盐酸盐为原料,与4-氟苯乙酮反应制得1-（4-乙酰苯基）-3-羟基氮杂环丁烷（1）; 1经甲磺酰化反应、取代反应、还原反应及酰化反应,合成了6个新型的3-氨基氮杂环丁烷衍生物,其结构经¹H NMR和¹³C NMR表征。     

两种氮杂环丁烷类药物中间体的合成

1-二苯甲基-3-羟基氮杂环丁烷(1)经过对甲苯磺酰氯取代、叠氮化及还原反应合成了药物中间体--1-二苯甲基-3-氨基氮杂环丁烷(4);1经过氧化、氰基化与还原反应合成了1-二苯甲基-3-羟基-3-氨甲基氮杂环丁烷(8).4和8的结构经1H NMR表征.     

3-仲氨基氧杂环丁烷-3-腈衍生物的合成

以仲胺、氧杂环丁-3-酮和三甲基氰硅烷为原料,无水甲醇为溶剂,无需催化剂,一步反应合成目标化合物3-仲氨基氧杂环丁烷-3-腈衍生物（1a~1d）,产物结构经1H NMR和ESI-MS表征。并以异吲哚啉、氧杂环丁-3-酮和三甲基氰硅烷的反应为模型反应,考察影响产物1a收率的主要因素,确定最佳反应条件为：物料摩尔比为n（异吲哚啉）: n（氧杂环丁-3-酮）: n（三甲基氰硅烷）= 2.0 : 1 : 2.5;反应溶剂为无水甲醇,在65 ℃反应6 h。在最佳反应条件下,化合物1a收率78.3 %。对于目标化合物的应用进行了研究,发现化合物1a与苯基溴化镁在四氢呋喃溶剂中,室温反应5 h,得到2-(3-苯基氧杂环丁烷-3-基)异吲哚啉（4）和 [3-(异吲哚啉-2-基) 氧杂环丁烷-3-基](苯基)甲酮（5）,收率分别为40.1 %和31.5 %。     

顺式六氢-1H-呋喃并[3,4-C]吡咯的合成

以N-（甲氧甲基）-N-（三甲基硅甲基）苄胺和马来酸二甲酯为原料通过环加成、氢化铝锂还原、T_SOH催化脱水、氢氧化钯/碳催化氢化脱苄基四步反应,设计并合成了一种含氮、氧的杂环化合物--顺式六氢-1H-呋喃并[3,4-C]吡咯,其结构经¹H NMR, ¹³ C NMR和MS（ESI）表征。      

氮杂环丁烷的合成

氮杂环丁烷类化合物是一类重要的饱和四元含氮杂环化合物,不仅是有机合成中的重要原料、中间体及手性助剂或催化剂,也是氨基酸、生物碱及其天然和合成生物活性或药物活性化合物等分子结构中的重要活性单元。因此,发展氮杂环丁烷结构的合成方法非常重要。本文综述了氮杂环丁烷类化合物合成的发展,着重综述了近十年来该类化合物合成方法的进展,主要包括形成C-N键成环、形成C-C键成环、胺催化的亚胺和丙二烯甲酸酯环加成、亚胺和烯烃的光环加成、缩环扩环重排和氮杂环丁-2-酮（β-内酰胺）还原等方法构建氮杂环丁烷结构的新成果。     

1-苄氧羰基-3-叔丁氧羰酰氨基氮杂环丁烷的合成工艺改进

以苄胺和环氧氯丙烷为原料,经开环、关环、取代、还原、脱苄等反应合成了1-苄氧羰基-3-叔丁氧羰酰氨基氮杂环丁烷,总收率22.9%.其结构经1H NMR,13C NMR和MS表征.     

Cobimetinib 消旋体的合成

以3-羟基氮杂环丁烷盐酸盐为原料,经Cbz保护和氧化反应制得1 苄氧羰基氮杂环丁烷-3-酮(3); 3与N-亚硝基哌啶发生亲核反应后与2,3-二氟-(2-氟-4-碘氨基）苯甲酸发生缩合反应,最后经氯化氢脱亚硝基和碱化合成了Cobimetinib消旋体,其结构经¹H NMR和HR-MS（ESI）确证。     

新型氮杂环卡宾催化剂的合成及其在烯烃的自由基氟烷基酰化反应中的应用研究

以环庚酮及环己（庚）胺为起始原料,经溴代、环化、脱硫等反应,以良好的收率合成了环烷基取代的新型噻唑骨架的氮杂环卡宾催化剂。结果表明,在该催化剂催化下成功地实现了烯烃的自由基氟烷基酰化反应,以中等的收率完成了三种类型的γ-氟烷基取代酮的高效合成。所得化合物通过¹H NMR, ¹³C NMR, ¹⁹F NMR和HR-MS（ESI-TOF）进行表征。     

计算机辅助设计新型人脂肪酸合酶抑制剂及其抗肿瘤活性

以Orlistat为先导化合物,利用AutoDock进行计算机模拟对接,在对接结果中选择能量较低的6个结构进行合成与抗肿瘤活性筛选。以orlistat为原料,经2步反应制得苄基(2S,3S,5S)-2-己基-3,5-二羟基十六酸酯(2); 再经4步反应获得(3S,4S)-3-己基-4-［(S)-2-羟基十三烷基］氧杂环丁烷-2-酮(5); 5在EDCI作用下与酸经缩合反应合成了4个计新型人脂肪酸合酶抑制剂（6a~6d）,其中6b~6d为新化合物,其结构经¹H NMR, ¹³C NMR 和HR-MS（ESI）表征。体外初步活性测试表明：(S)-1-［(1S,2S)-3-己基-4-氧代氧杂环丁烷-2-基］十三烷-2-烟酸酯（6a）对MDA-MB-231细胞有较好的抑制作用,其IC₅₀为11.72 μmol·mL^-1,优于Orlistat(21.5 μmol·mL^-1)。     

可光固化单体2,7-二溴-9,9-双[4’-(3″-乙基-3″-氧杂环丁烷甲氧基己基氧基)苯基]芴的合成

以芴为原料,经溴代和氧化反应制得2,7-二溴芴酮(3);3与苯酚反应合成2,7-二溴-9,9-双(4’-羟基苯基)芴(4);4与3-(6’-溴己氧基甲基)-3-乙基氧杂环丁烷经醚化反应合成了可光固化单体2,7-二溴-9,9-双[4’-(3″-乙基-3″-氧杂环丁烷甲氧基己基氧基)苯基]芴,总收率67%,其结构经1H NMR,13C NMR和元素分析表征。     

新型芳姜黄酮拼合吡咯螺环氧化吲哚类化合物的合成及其抗肿瘤活性

以取代靛红和肌氨酸为原料制得1,3-偶极子,再与(E)-芳姜烯酮类化合物在乙腈中经3+2环加成反应合成了10个新型的芳姜黄酮拼合吡咯螺环氧化吲哚类化合物(3a~3j)产率70%~91%, d/r值15 :1~>20:1,其结构经¹H NMR, ¹³C NMR和HR-MS（ESI-TOF）表征。采用MTT法研究了3a~3j对人肺癌细胞(A549)和人白血病细胞(K562)的体外抗肿瘤活性。结果表明：3f对K562抑制活性较好（IC₅₀=31.1 μmol·L^-1）, 3b对A549抑制活性较好（IC₅₀=54.1 μmol·L^-1）。     

Synthesis and Biological Activity of Novel Anthranilic Diamides Containing N-Substituted Arylmethylene Moieties

A series of novel anthranilic diamides containing N-substituted arylmethyl moieties was designed and synthesized, in which the bond distance and conjugation pattern between pyrazole and pyridine rings contained in Chlorantraniliprole were changed. Their structures were confirmed by JH NMR, IR, elemental analysis or high resolution mass spectromentry{HRMS）, and the conformation of compound 4d was confirmed by X-ray diffraction. The preliminary bioassay results indicate that all the target compounds exhibited moderate insecticidal activity against oriental armyworm at 200 mg/L and some of them presented favorable antitumor activities against human lung cancer cells（A549）, liver cancer cells（BelT402） and colon cancer celIs（HCT-8） in vitro by microculture tetrazolium（MTT） method, among which compound 6j afforded the best anti-proliferative activity at 5μg/mL.     

嘧啶拼接3-烯键氧化吲哚衍生物的合成及其抗肿瘤活性

以2-吲哚酮与3,5-二氯嘧啶甲醛为原料,经Knoevenagel加成消除反应和取代反应合成了11个新型的嘧啶拼接3-烯键氧化吲哚衍生物(3a~3k),产率70%~91%,Z/E值15：1~>20 ：1, 其结构经¹H NMR, ¹³C NMR和HR-MS（ESI-TOF）表征。采用MTT法研究了3a~3k对人肺癌细胞(A549)和人白血病细胞(K562)的体外抗肿瘤活性。结果表明：3a, 3c, 3f, 3g和3j对K562具有较好的抑制活性（IC₅₀分别为29.3, 27.6, 28.5, 24.0和27.0 μmol·L^-1）, 3a, 3h和3j对A549具有较好的抑制活性（IC₅₀分别为28.1, 16.4和25.2 μmol·L^-1）。     

哌嗪取代查尔酮衍生物的合成及其细胞毒活性

以4-甲氧基苯甲醛与2-溴-4’-氟苯乙酮为原料,经羟醛缩合脱水、取代反应生成4-甲氧基-4’-(1-哌嗪基)查尔酮(2),再通过酰化反应合成了10个新型含哌嗪的查尔酮衍生物,其结构经~1H NMR、~(13)C NMR及HRMS确证。采用MTT法初步测试了目标化合物的体外细胞毒活性,结果表明,化合物3e和4d对肿瘤细胞株Hela和A549均表现出较好的细胞毒活性,可做进一步研究。     

Synthesis,Crystal Structure and Bioactivity of Phenazine-1-carboxylic Acylhydrazone Derivatives

A phenazine-1-carboxylic acid intermediate was synthesized from the reaction of aniline and 2-bromo-3-nitro-benzoic acid. It was then esterified and reacted with hydrazine hydrate to afford phenazine-1-carboxylic hydrazine. Finally, 10 new hydrazone compounds 3a–3j were obtained by the condensation reaction of phenazine-1-carboxylic acid hydrazide and the respective aldehyde-containing compound. The structures were characterized by ¹H and ¹³C NMR spectroscopy, MS and single crystal X-ray diffraction. The antitumor activity of the target compounds in vitro (HeLa and A549) was determined by thiazolyl blue tetrazolium bromide. The results showed that compound (E)-N′-(2-hydroxy-4-(2-(piperidine-1-yl) ethoxy) benzyl) phenazine-1-carbonyl hydrazide 3d exhibited good cytotoxic activity.     

1-甲基-2-喹诺酮类衍生物的合成及其抗肿瘤活性

以喹啉类化合物为原料,经甲基化反应和氧化反应制得中间产物2-喹诺酮类化合物(2a~2c); 2a~2c经硝化反应制得7个硝化-2-喹诺酮类化合物{3a~3g); 3a, 3e~3g经移位取代反应合成了4个1-甲基化-4-氰化-2-喹诺酮类衍生物(4a, 4e~4g),其结构经¹H NMR, ¹³C NMR和HR-MS(EI)确证。采用MTT法评价了化合物对MCF-7, H1299, A549, PC-12, CT-26及HepG-2肿瘤细胞的抗增殖作用。研究结果表明：部分化合物对肿瘤细胞的抑制活性明显高于喹啉系列物,其中1,8-二甲基-3,5,7-三硝基-2-喹诺酮(3e)显著抑制六种肿瘤细胞的增殖,对A549的抑制活性最高,IC₅₀为2.05 μmol·L^-1; 1-甲基-6,8-二硝基-4-氰基-2-喹诺酮(4a)可选择性抑制A549和CT-26肿瘤细胞,IC₅₀分别为9.34 μmol·L^-1和18.43 μmol·L^-1。     

Synthesis and antitumor activity of 1-acetyl-3-(4-phenyl)-4,5-dihydro-2-pyrazoline-5-phenylursolate and 4-chalcone ursolate derivatives

New 4-chalcone ursolate and 1-acetyl-3-(4-phenyl)-4,5-dihydro-2-pyrazoline-5-phenyl ursolate derivatives were synthesized by esterification of UA and chalcone or pyrazoline. The compounds were structurally confirmed by IR, ¹H NMR, ¹³C NMR, and HR-MS spectroscopy. The cytotoxicity of ten derivatives was evaluated against A549, SKOV3, and HepG2 cell lines by MTT assay. The result showed that several compounds were more potent than UA against A549 and SKOV3 cells; however, none of them were more potent than UA against HepG2.     

Synthesis of 2-aryl-5-alkyl-7-methoxylbenzo[b]furan derivatives

A series of 2-aryl-5-alkyl-7-methoxylbenzo[b]furan derivatives have been synthesized by utilizing the coupling of methyl 3-methoxy-4-hydroxy-5-bromocinnamate with cuprous phenylacetylide as the key step.The structures of the new compounds were confirmed by1H NMR,IR and MS.The structure of compound 14 was further confirmed by single crystal X-ray.Compound 17 showed cytotoxic activity against human lung carcinoma A549.     

新型六氢吡啶-2,3-并吲哚化合物的合成及其抗肿瘤活性

以3-取代氧化吲哚与丙烯酸酯为原料,经Michael加成反应制得中间体--3-丙酸酯取代氧化吲哚（3a~3d）; 3a~3d与甲胺发生酰胺化反应制得3 丙酰胺取代氧化吲哚（4a~4d）; 4a~4d用氢化铝锂还原-环化,合成了4个六氢吡啶-2,3-并吲哚化合物(5a~5d）; 5a和5b用氢化铝锂还原合成了2个六氢吡啶-2,3-并吲哚化合物（6a和6b）, 5a～5d, 6a和6b均为新化合物,总产率42%～61%,其结构经¹H NMR, ¹³C NMR和HR-ESI-MS表征。采用MTT法研究了5a～5d, 6a和6b对人肺癌细胞（A549）,人前列腺（PC-3）和人白血病细胞（K562）的体外抗肿瘤活性。结果表明：5b对A549, PC 3和K562的抑制活性均较好,其IC₅₀分别为27.2μmol·L^-1, 37.5 μmol·L^-1和21.7 μmol·L^-1。     

Cytotoxicity of new 5-phenyl-4,5-dihydro-1,3,4-thiadiazole analogues

A series of 5-phenyl-4,5-dihydro-1,3,4-thiadiazoles were synthesized and their cytotoxicity was examined against four human cancer cell lines, e.g. lung cancer (A549), ovarian cancer (SK-OV-3), skin cancer (SK-MEL-2), and colon cancer (HCT15). The title compounds were synthesized by condensation of thiosemicarbazide with substituted benzaldehydes, followed by cyclization with acetic anhydrides in good yields. Most of the compounds exhibited significant suppressive activity against the growth of all of the cancer cell lines. The 4-hydroxy analogue of 5-phenyl-4,5-dihydro-1,3,4-thiadiazole (2h) was most active in the inhibition of growth of the SK-MEL-2 cell line, with an IC(50) value of 4.27 μg/ml; followed by compound 2a (IC(50) 5.16 μg/ml). The compounds 2j, 2h, and 2b, bearing 3-methoxy-4-hydroxy-, 4-hydroxy- and 4-methyl substituents in the C-5 phenyl ring respectively, exhibited the highest activity against the SK-OV-3 (IC(50) 7.35 μg/ml), HCT15 (IC(50) 8.25 μg/ml) and A549 (IC(50) 9.40 μg/ml) cell lines, respectively. A structure-activity relationship study revealed that an optimal electron density on the C-5 phenyl ring of 1,3,4-thiadiazoles is crucial for their cytotoxic activity against the human cancer cell lines used in the present study.