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ChemicalBook CAS DataBase List 2-METHYL-7-NITROQUINAZOLIN-4-OL
24688-29-7

2-METHYL-7-NITROQUINAZOLIN-4-OL synthesis

3synthesis methods
-

Yield:24688-29-7 5 g

Reaction Conditions:

with ammonium hydroxide at 25;

Steps:



General procedure: The benzoxazin-4-one intermediates (1 mmol) were suspended in concentrated ammonium hydroxide (1 ml) and were stirred at room temperature overnight. 10% sodium hydoxide solution was added to the reaction mixtures until the results of transparent solutions. The pH was adjusted to 7 with acetic acid. The products precipitated from the solution were filtered out and were washed with water. The solid compounds were dried under vacuum overnight.

References:

Baska, Ferenc;Sipos, Anna;?rfi, Zoltán;Nemes, Zoltán;Dobos, Judit;Szántai-Kis, Csaba;Szabó, Eszter;Szénási, Gábor;Dézsi, László;Hamar, Péter;Cserepes, Mihály T.;Tóvári, József;Garamv?lgyi, Rita;Krekó, Marcell;?rfi, László [European Journal of Medicinal Chemistry,2019,vol. 184,art. no. 111710] Location in patent:supporting information

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