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4 aminobenzophenone

Manufactured by Merck Group
Sourced in India

4-aminobenzophenone is a chemical compound used as a precursor in various industrial and research applications. It is a white to pale yellow crystalline solid. The core function of 4-aminobenzophenone is to serve as a chemical building block for the synthesis of other compounds.

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3 protocols using 4 aminobenzophenone

1

Synthesis of Benzophenone-Terminated Polyurea

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Example 20

A polyurea copolymer containing benzophenone photoreactive end group is synthesized as follows. 8 mg of 4-aminobenzophenone (40 umol, Sigma Aldrich, St. Louis, Mo.) is dissolved in 15 ml of isopropanol, to which 185 mg of dipiperidyl propane (0.88 mmole, Sigma Aldrich, St. Louis, Mo.) and 52.8 mg of Jeffamine™ ED600 (0.88 mmol Sigma Aldrich, St. Louis, Mo.) is added. After all the amines dissolve, 0.42 ml of isophorone diisocyanate (2 mmol, Sigma Aldrich, St. Louis, Mo.) is added via syringe and the reaction mixture stirs at room temperature for 2 hours. The benzophenone-terminated polyurea can be used without further purification.

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2

Synthesis of Benzophenone Derivatives

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4-Aminobenzophenone, benzophenone and hydrazine monohydrate (N2H4, 64–65%) were supplied by Sigma Aldrich (India). TiCl4 was procured from Spectrochem Pvt. Ltd. Mumbai (India). Phthalic anhydride was purchased from SDFCL (India). All other common chemicals and solvents were obtained from local commercial suppliers and were used without further purification. All aqueous solutions were prepared with ultrapure water obtained from Millipore system and purged with N2 for 15 min before use.
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3

Synthesis of Benzophenone Acryl Amide

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Benzophenone acryl amide (BPAm) was synthesized according to the method of Kim et al. 30 Briefly, 4-aminobenzophenone (Sigma-Aldrich) (1.0 g, 5.07 mmol), acryloyl chloride (Sigma Aldrich) (453 mL, 5.56 mmol) and triethylamine (Sigma-Aldrich) (777 mL, 5.57 mmol) were dissolved in 10 mL of anhydrous dichloromethane (DCM, Biosolve). The solution was stirred for three hours and subsequently extracted three times each with 1 M HCl, saturated NaHCO 3 , and finally with demineralized water. The extracted solution was dried using Na 2 SO 4 and the DCM was evaporated by rotary evaporation. The remaining solid was purified by column chromatography on silica gel using 70% n-hexane: 30% ethyl acetate mixture as eluent. BPAm was obtained as a white solid. The product was dried at 40 1C overnight (yield 72%).
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