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《应用有机金属化学》2017,31(2)
A series of novel phosphoramide mustard sophoridinic acid analogues, consisting of nitrogen mustard group and sophoridinic acid scaffold, have been designed, synthesized and evaluated for their topoisomerase inhibitory activity as well as cytotoxicity against six tumor cell lines (SMMC‐7721, LoVo, MCF‐7, K562, S180 and H22) and a normal cell line (L929). Among the compounds tested, five were found to be potent inhibitors and exhibited potent cytotoxicity against S180 and H22 cell lines with IC50 values of 1–4 μM. Further mechanistic studies showed that this class of compounds acted as novel topoisomerase I (Topo I) catalytic inhibitors by preventing the binding of Topo I to DNA and inhibiting the cleavage of DNA, and molecular docking studies revealed that the binding energy for these compounds was comparable to that for classic Topo I inhibitors CPT and HCPT, indicating that the compounds have an interaction with DNA and Topo I. 相似文献
2.
P. Kannan S. C. Murugavel 《Journal of polymer science. Part A, Polymer chemistry》1999,37(16):3285-3291
Four series of photocrosslinkable-cum-flame retardant poly(benzylidene phosphoramide ester)s were synthesized from bis(4-hydroxy-3-methyoxybenzylidene) acetone, 2,5-bis(4-hydroxy-3-methoxybenzylidene)cyclopentanone, 2,6-bis(4-hydroxy-3- methoxybenzylidene)cyclohexanone and 2,7-bis(4-hydroxy-3-methoxybenzylidene) cycloheptanone with various arylphosphorodichloridates by interfacial polycondensation using a phase transfer catalyst. The resultant polymers were characterized by gpc, FTIR, 1H, 13C and 31P-NMR spectroscopy. Thermal behavior of the polymers was evaluated by differential scanning calorimetry and thermogravimetry. Flame retardant properties were ascertained by Limiting Oxygen Index. The photocrosslinking ability of the polymers was studied by ultraviolet spectroscopy. The crosslinking proceeds via 2π + 2π cycloaddition reaction of the benzylidene groups. The rate of crosslinking decreases with increase in the size of cycloalkanone ring, while the thermal stability increases with increase in the size of the alkanone ring. © 1999 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 37: 3285–3291, 1999 相似文献
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CrystalandMolecularStructureofN,N-Bis(2-chloroethyl)-N'-isopropyl-N"-phenylThioureidoPhosphoramideChenRu-Yu;WangHui-Lin;ZhouJ... 相似文献
5.
郭庆君 《高等学校化学学报》2019,40(10):2104
以反式-1,2-二苯基乙二胺为原料合成了一系列磷酰胺类配体, 考察了该类配体在催化1,2-加成/内酯化串联反应合成手性3-取代苯酞化合物过程中的催化活性. 在最优条件下, 即在配体7d摩尔分数为20%时, 可以获得高达90%的收率及大于80% e.e.值的3-取代苯酞化合物; 该配体合成简单, 虽然作为催化剂使用量较大但较易回收再利用. 对反应机理进行了推测, 认为反应过程中形成的环状过渡态有助于提高反应的对映选择性. 相似文献
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Jinwei Yuan Xiaolan Chen Lingbo Qu Shouren Zhang Jiansha Lu Yufen Zhao 《Phosphorus, sulfur, and silicon and the related elements》2013,188(11):2936-2944
A series of novel phosphoramide mustard analogues of 2-arylquinolones are synthesized through a convenient and facile phosphorylated reaction, and their structures are elucidated by NMR, IR, and HR MS. The amino acid esters and phosphoryl nitrogen mustard are linked to 2-arylquinolone to improve their undesirable physicochemical and biological properties. 相似文献
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Marcus M. Sá Gustavo P. SilveiraAdailton J. Bortoluzzi Albert Padwa 《Tetrahedron》2003,59(29):5441-5447
γ-Azido-α-diazo-β-keto esters react selectively with trimethylphosphite by a tandem Staudinger/Arbuzov rearrangement sequence, furnishing γ-(dimethylphosphorylamino)-α-diazo-β-keto esters in good yield under mild conditions. Collected X-ray data for the novel diazo phosphoramides confirm the proposed chemoselectivity. 相似文献
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《Analytical letters》2012,45(8):1303-1314
Abstract Phosphoramide mustard (PM), a key active metabolite of the widely used anticancer drug cyclophosphamide (CP), can exist in several closely-related ionized, cyclized and substituted forms. We have developed a high pressure liquid chromatographic (HPLC) method for analysing serum concentrations of PM in order to relate these serum concentrations to toxicity and efficacy of treatment of CP. 31p NMR spectroscopy is used to verify the HPLC peak homology of the proposed PM peak. 相似文献
9.
De Qing Shi Qi Chen Zhong Hua Li Xiao Peng Liu 《Phosphorus, sulfur, and silicon and the related elements》2013,188(7):1621-1627
Abstract A series of novel phosphoramide-tegafur derivatives containing γ-aminopropyl silatrane were synthesized via the condensation reactions of phosphoryl dichloride with N1-(2-furanidyl)-N3-(hydroxyethyl)-5-fluorouracil, followed by condensation with γ-aminopropyl silatrane. The structures of the products were confirmed by 1H NMR, 31P NMR, IR, MS, and elemental analysis. The results of preliminary bioassay showed that the new compounds had an inhibition effect against HCT-8 and Bel-7402 cell lines. 相似文献
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De Qing Shi Yi Liu A. D. Feras Xiao Song Tan Jian Xin Chen 《Phosphorus, sulfur, and silicon and the related elements》2013,188(8):1937-1946
A series of novel, asymmetric-cyclic phosphoramides containing substituted pyridine were synthesized via the condensation reactions of trans 2-chloro-4-substitutedphenyl-5, 5-dimethyl-1,3,2-dioxaphosphinane 2-oxide with 2-chloro-5-aminomethylpyridine or 3-aminomethylpyridine. The reactions show good stereoselectivity. Only the cis isomer from configuration inversion was obtained, which is the thermodynamic stable product. The structures of the products were characterized by 1H NMR, 31P NMR, IR, MS, and elemental analysis. The configuration of the product was determined by X-ray diffraction analysis. The results of preliminary bioassay showed that the new compounds possess potential insecticidal and fungicidal activities. 相似文献