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ChemicalBook CAS DataBase List tetrakis(4-nitrophenyl)Methane
60532-62-9

tetrakis(4-nitrophenyl)Methane synthesis

5synthesis methods
The synthesis procedure for Tetrakis-(4-nitrophenyl)methane: Tetraphenylmethane (4.8g, 15.0 mmol) was slowly added to fuming nitric acid (25 ml) stirred rigorously in a salt/ice bath of ~-5°C. Then, a mixture of acetic anhydride and glacial acetic acid (1:2, 25 ml) was added slowly to the mixture. After stirring at -5°C for 15 min, glacial acetic acid (80 ml) was added, and the suspension was further stirred for 5 min. The mixture was filtered on a glass frit, washed with acetic acid (2 x 100 ml), methanol (2 x 100 ml), and chilled tetrahydrofuran (2 x 50 ml) and dried in vacuo to afford a cream color solid (3.2 g, 43% yield).
synthesis of Tetrakis-(4-nitrophenyl)methane
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: 0.08 h / 200 °C
1.2: aq. HCl / methanol / Heating
2.1: H2SO4; isoamylnitrite / ethanol / 0.5 h / -10 °C
2.2: aq. hypophosphorous acid / ethanol / Heating
3.1: 38 percent / acetic anhydride; acetic acid; nitric acid / -10 °C

References:

Ganesan, Palaniswamy;Yang, Xiaoniu;Loos, Joachim;Savenije, Tom J.;Abellon, Ruben D.;Zuilhof, Han;Sudhoelter, Ernst J. R. [Journal of the American Chemical Society,2005,vol. 127,# 42,p. 14530 - 14531]

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