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2 protocols using triphenyl phosphite

1

Synthesis of Aromatic Diamines for Polymeric Materials

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4-Aminocinnamic acid, pentafluoropropionic anhydride, triphenyl phosphite, 4,4′-diaminodiphenyl ether, 4,4′-diaminodiphenylmethane, 2,2-bis(4-aminophenyl)hexafluoropropane, 4,4′-diaminobenzophenone, and 4,4′-diaminodiphenyl sulfone were purchased from Tokyo Chemical Industry Co., LTD, Tokyo, Japan. Trifluoroacetic anhydride, triethylamine, and N,N-dimethylacetamide were purchased from FUJIFILM Wako Pure Chemical Corporation. Dichloromethane, methanol, ethanol, pyridine, N,N-dimethylformamide (DMF), and N-methyl-2-pyrrolidone (NMP) were purchased from Kanto Chemical Co., Inc, Tokyo, Japan. All chemicals were directly used as purchased. 4,4′-Diamino-α-truxillic acid and 4,4′-diamino-α-truxillic acid dimethyl ester were synthesized based on previous research [4 (link),5 (link),10 (link)].
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2

Synthesis of Cobalt Nanoparticles and Catalysis

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All precursors and solvents were used as received, without further purification. CoCl2·6H2O and 1-octadecene (technical grade 90%) were purchased from Nacalai Tesque, Inc., and Sigma-Aldrich. Co. Hexadecylamine and triphenyl phosphite were purchased from Tokyo Chemical Industry Co., Ltd. Hydrotalcite (AD 500NS) was purchased from Tomita Pharmaceutical Co., Ltd. Al2O3 was purchased from Sumitomo Chemical. TiO2 (JRC TIO-9) was provided by the Catalysis Society of Japan as a reference catalyst. SiO2 (Q-9) was purchased from Fuji Silysia Chemicals Ltd. All nitriles were commercially available. Tokyo Chemical Industry Co., Ltd.: valeronitrile (>98%), decanenitrile (>98%), phenylacetonitrile (>98%), anisonitrile (>98%), 4-(trifluoromethyl)benzonitrile (>98%), methyl-4-cyanobenzoate (>98%), adiponitrile (>98%), sebaconitrile (98%), and isophthalonitrile (>98%). FUJIFILM Wako Pure Chemical: 1-adamantanecarbonitrile (97%), benzonitrile (>98%), 3-cyanopridine (>98%), 4-cyanopridine (>98%), 2-furancarbonitrile (98%), 5-cyanopridine (96%), 4-acetylbenzonitrile (>98%), and terephthalonitrile (>95%). Sigma-Aldrich: cyclohexanecarbonitrile (98%) and 4-bromobenzonitrile (99%).
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