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3 protocols using 2 2 azobis isobutyronitrile

1

Synthesis and Characterization of Molecularly Imprinted Polymers

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Gossypol was purchased from Sigma-Aldrich (Shanghai, China). Dimethylaminoethyl methacrylate (DMAEMA), ethylene glycol dimethacrylate (EGDMA), divinylbenzene (DVB), 1,1’-bi-2-naphthol, and 2,2-azobis(isobutyronitrile) (AIBN) were purchased from Adamas Reagent Co., Ltd. (Shanghai, China). Hexaphenol was purchased from WAKO Pure Chemical Industry, Ltd. (in Japan). Tetraethoxysilane (TEOS), ellagic acid, and quercetin were obtained from Adamas (Shanghai, China). Silica beads (0.5 μm average particle size) and (3-aminopropyl) triethoxysilane (APTES) were purchased from Alfa Aesar (Shanghai, China). Methanol, acetone, hydrochloric acid, acetic acid, and sodium hydroxide were all analytical grade and purchased from Tianjin Zhiyuan Chemical Co., Ltd. (Tianjin, China). Water was purified by a Millipore Milli-Q gradient system (Massachusetts, America) to HPLC grade.
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2

Synthesis of Organic Compounds

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All reagents and deuterated solvents were obtained commercially unless otherwise noted (All reagents were used as received). Starting material and Hoveyda–Grubbs catalyst 2nd generation were purchased from Alfa-Aesar, Aldrich, Acros, Adamas and Ark pharm Reagent Co., Ltd. (Shanghai, China). Butylated hydroxyanisole (BHA), 2,6-di-tert-butyl-4-methylphenol (BHT), dimethylaminoethyl methacrylate (DMAEMA), acrylamide (AM), ethylene glycol dimethacrylate (EGDMA), 1,1′-bi-2-naphthol and 2,2-azobis(isobutyronitrile) (AIBN) were purchased from Adamas Reagent Co., Ltd. (Shanghai, China).
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3

Bromination of Poly(2,6-dimethyl-1,4-phenylene oxide)

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Poly(2,6-dimethyl-1,4-phenylene
oxide) (PPO) was purchased from Sigma-Aldrich Co., Ltd., P. R. China.
2,2′-Azobisisobutyronitrile (AIBN) and N-bromosuccinimide
(NBS) were purchased from Adamas Reagent Co., Ltd., China. Chlorobenzene
was bought from Shanghai Titas Co., Ltd., P. R. China. Potassium chromate
(K2CrO4), trimethylamine, N-methylimidazole, sodium sulfate (Na2SO4), N-methypyrrolidine, sodium hydroxide (NaOH), N-methylpiperidine, chloroform (CHCl3), sodium chloride
(NaCl), silver nitrate (AgNO3), ethanol (EtOH), and 1-methyl-2-pyrrolidone
(NMP) were obtained from Sinopharm Chemical Reagent Co., Ltd., P.
R. China and were utilized as attained. Deionized (DI) water was utilized
throughout the work.
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