Heterociclos con azufre (S)

Thieno[2,3-b]thiophene is a model system that has been studied using magnetic resonance spectroscopy to identify the active methylene. It is an anticancer drug that inhibits the growth of cancer cells. Thieno[2,3-b]thiophene binds to metal carbonyls and forms a stoichiometric complex with sodium carbonate. This complex can act as a nucleophile and attack the electrophilic centers of DNA, RNA, or proteins. Thieno[2,3-b]thiophene is potent in inhibiting the activity of trifluoroacetic acid and x-ray crystal structures have shown that it has low energy requirements for binding to DNA. The electrochemical impedance spectroscopy showed that thieno[2,3-b]thiophene interacts with DNA in a time dependent manner and exhibits potent inhibition against cancer cells.

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3,3',5,5'-Tetrabromo-2,2'-bithiophene is a bromine-containing organic compound that has been shown to be efficient in solar cells. It has an eluting range of 1.0-1.3 and can be used as a dye in the production of perovskite crystals (a class of materials with potential applications in solar cells). 3,3',5,5'-Tetrabromo-2,2'-bithiophene has a molecular formula of C8H8Br4 and a structural formula of CHBrCH=CHBrCHBr. This macrocycle can be synthesized by reacting methylbenzene with ethynyl bromide or n-hexane with perchloric acid.

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3,4-(Methylenedioxy)thiophenol is a structural analog of the endogenous peptide endothelin. It is an endothelin receptor antagonist that binds to the endothelin receptor and blocks binding of endothelin, which prevents activation of the endothelin signaling pathway. 3,4-(Methylenedioxy)thiophenol is a potent antagonist of the endothelin receptor subtype A and has been shown to improve ventricular function in animal models with chronic heart failure.

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N-(2-Fluorophenyl)-N-[4-(4-methyl-1,3-thiazol-2-yl)-1-(2-thiophen-3-ylethyl)piperidin-4-yl]propanamide is a drug that is used for the treatment of cancer. This drug is hydrophobic and has a molecular weight of 455. It has been shown to be effective in treating cancer cells by binding to the cell membrane and inhibiting the proliferation of these cells. N-(2-Fluorophenyl)-N-[4-(4-methyl-1,3-thiazol-2-yl)-1-(2-thiophen-3-ylethyl)piperidin]-4-- yl]propanamide also inhibits tumor growth by reducing extracellular matrix production and inducing apoptosis in cancer cells. This drug has a fluorescent property and can be detected with an optical microscope at a

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