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2 protocols using 4 cyanobenzaldehyde

1

Cytotoxicity Assay of Chemical Compounds

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4-Cyanobenzaldehyde, benzil, 4-bromobenzoic acid, bis(pinacolato)diboron, 1,1′-carbonyldiimidazole (CDI), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II)dichloride (PdCl2 (dppf)), H2O2, potassium super-oxide (KO2), t-butyl hydroperoxide (TBHP), m-chloroperoxybenzoic acid (mCPBA), hypochlorous acid (HOCl), HEPES buffer solution, Whatman papers, Dulbecco's phosphate-buffered saline (DBS), Roswell Park Memorial Institute (RPMI) medium, fetal bovine serum (FBS), penicillin, streptomycin, and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Ammonium acetate, acetic acid, ethanol, hydroxylamine hydrochloride, sodium hydroxide, ethyl acetate, hexane, sodium bicarbonate, dimethylformamide (DMF), dimethyl sulfoxide (DMSO), 1,4-dioxane, and potassium acetate were purchased from Daejung Chemicals (Siheungsi, Kyunggido, Republic of Korea). Sodium nitrate (NaNO3), potassium perchlorate (KClO4), sodium sulfate (Na2SO4), sodium nitrite (NaNO2), and benzoyl peroxide (BPO) were obtained from AccuStandard (New Haven, CT, USA). The MCF-7 cells were purchased from the Korean Cell Line Bank (Seoul, Republic of Korea). All reagents were used as received without further purification.
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2

Synthesis of Copper Corrole Derivatives

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4-Cyanobenzaldehyde, N-iodosuccinimide, and trifluoroacetic acid (HPLC-grade,
≥99.0%) were purchased from Sigma-Aldrich and used without
further purification. Pyrrole (Sigma-Aldrich) was purified by passing
through a pad of basic aluminum oxide 60 (activity I, 0.063–0.200
mm particle size, Merck Millipore). Copper 5,10,15-tris(4′-cyanophenyl)corrole
was prepared via a one-pot protocol derived by modification of a previously
reported procedure (for which the purification steps did not work
well in our hands).28 (link) Silica gel 150 (35–70
μm particle size, Davisil) and neutral aluminum oxide (activity
I, 0.050–0.150 mm particle size, Sigma) were used as purchased.
Ultraviolet–visible spectra were recorded on an HP 8453
spectrophotometer at room temperature in CH2Cl2. 1H NMR spectra were recorded at room temperature on
a Mercury Plus Varian spectrometer (400 MHz), and high-resolution
electrospray ionization (ESI) mass spectra were recorded on an LTQ
Orbitrap XL spectrometer.
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