Composti policiclici

Applications 6-Chloro-3-(phenylsulfonyl)-4-(trifluoromethyl)-2(1H)-quinolinone is an intermediate in the synthesis of novel quinolinones as HIV-1 reverse transcriptase inhibitors.
References Patel, M., et al.: Bioorg. Med. Chem. Lett., 11, 1943 (2001);

Applications (1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid 2,5-Dioxo-1-pyrrolidinyl Ester is an intermediate in the synthesis of ((R)-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)((S)-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)methanone (P309025). ((R)-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)((S)-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)methanone is a possible impurity of solifenacin (S676700) which is a muscarinic M3 receptor antagoinst. Solifenacin is used in treatment of urinary incontinence.
References Ikeda K., et al.: Arch. Pharmacol., 366, 97, (2002); Chapple, C.R., et al.: Br. J. Urol., 93, 303 (2004); Ohtake, A., et al.: Eur. J. Pharmacol., 492, 243 (2004); Brunton, S., et al.: Curr. Med. Res. Opin., 21, 71 (2005); Habb, F., et al.: Eur. Urol. 47, 376 (2005); Payne, C.K., et al.: Drugs, 66, 175 (2006)

Applications Quinoline derivative used in the preparation of compounds with anticonvulsant activity as well as compounds with potent antibacterial activity against gram-positive pathogens.
References Guo, L. et al.: Eur. J. Med. Chem., 44, 954 (2009); Jarvest, R.L. et al.: J. Med. Chem., 45, 1959 (2002);

1-Phenyl-3-oxabicyclo[3.1.0]hexan-2-one (1POX) is a monomer that belongs to the class of cyclopropane compounds and can be used in the synthesis of polymers. It has been shown to react with benzene, irradiation, monoxide, oxiranyl, acetonitrile and trimeric dyes to form reactive intermediates such as ketones and carboxylic acids. These intermediates can undergo photolysis to produce products such as ketones and carboxylic acids. The wavelength of the light used for photolysis can influence the product formation. 1POX is also a substrate for cyclopropane ring formation reactions, which are known for their high reactivity due to the stability of this ring system. The carbonyl group on 1POX is electron withdrawing and stabilizes the planar geometry of 1POX.

6-Bromo-7-azaindole is a homologous molecule. It is an electron deficient compound with a piperidine moiety at the 6 position and a nitrogen atom at the 7 position. The nitrogen atom substitutes for an oxygen atom, making this molecule reactive. The electron deficient nature of this molecule makes it suitable for use in transistors and other physicochemical devices. 6-Bromo-7-azaindole has been shown to be effective against carcinoma cells in vitro, as well as to inhibit tumor growth in vivo. This drug also causes homologous recombination by interacting with DNA in mammalian cells. 6-Bromo-7-azaindole binds to DNA, forming a covalent bond with the guanine base of DNA through the nitrogen atom, which is electron deficient.

Ethyl-2-aminoquinoline-3-carboxylate is an intramolecular reductive coupling product. It was synthesized by the reductive coupling of nitrobenzene with triethylamine in the presence of a copper salt. The use of ethyl cyanoacetate as a starting material for this synthesis has been shown to produce regioselective products with high yields. Ethyl-2-aminoquinoline-3-carboxylate is used in the synthesis of quinoline derivatives and fluoroquinolone antibiotics. This compound has been shown to have optimum properties for GC/MS analysis, which makes it an advance in the field of chemistry.

8-Azahypoxanthine is a hydroxyl analog of hypoxanthine. It contains a nitrogen atom in place of the oxygen atom on the 2-position. 8-Azahypoxanthine has been shown to be an effective inhibitor of purine biosynthesis in yeast cells and can be used as a replacement for xanthine during the synthesis of adenosine triphosphate (ATP) from uracil. 8-Azahypoxanthine was found to have good detection sensitivity, with an estimated detection limit of 0.2 µM. The optimum pH for this compound is 7.8, which is similar to that of wild type strain and tissue culture media. Mutants resistant to 8-azahypoxanthine were generated by exposure to high concentrations (>100 mM) for long periods (>2 days). Mutant strains showed no detectable enzyme activity against orotic acid or glycosidic bond formation with erythromycin