The origin of a common compound about 110-73-6

Statistics shows that 110-73-6 is playing an increasingly important role. we look forward to future research findings about 2-(Ethylamino)ethanol.

110-73-6, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 110-73-6, name is 2-(Ethylamino)ethanol, the common compound, a new synthetic route is introduced below.

Compounds 1 and 2 were prepared by the following procedure: 2-(4-chloro-3-nitrophenyl)-2-oxoethyl 2-aminobenzoate or 2-(4-amino-3-nitrophenyl)-2-oxoethyl 2-aminobenzoate (44.8 mmol) was suspended in polyphosphoric acid (167.3 g). The reaction mixture was heated to 100 C and stirred for 90 min. The mixture was then poured into H2O/crushed ice (700 ml). The precipitated product was filtered, washed with H2O, dried and recrystallized from 2-methoxyethanol. Compounds 3-17 were prepared by the following general procedure: quinolinone 1 (200 mg, 0.63 mmol) was added to a solution of amine (6.3 mmol) and N-methylpyrrolidone (1.0 ml) and the mixture was stirred at 110 C for 2 h. After cooling to room temperature, H2O (20 ml) was added and the pH adjusted to 7 with dilute HCl (1:3). The precipitated solid was collected by suction, washed thoroughly with H2O and dried at 80 C. The crude product was recrystallized from 2-methoxyethanol.

Statistics shows that 110-73-6 is playing an increasingly important role. we look forward to future research findings about 2-(Ethylamino)ethanol.

Reference:
Article; Motyka, Kamil; Hlava?, Jan; Soural, Miroslav; Hradil, Pavel; Krej?i, Petr; Kvapil, Lubomir; Weiss, Milo?; Tetrahedron Letters; vol. 52; 6; (2011); p. 715 – 717;,
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