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METHYL 3-[(AMINOCARBONYL)AMINO]BENZOATE synthesis

2synthesis methods
-

Yield:65081-75-6 86%

Reaction Conditions:

with acetic acid in water at 20; for 18 h;

Steps:

2-1 A. Urea formation

General procedure: In a typical example, KOCN (5 mmol, 5 eq.) was added to a stirred solution of the amine (1 mmol, 1 eq.) in H20-AcOH (2:1 , 10 ml_, 0.1 M) and stirred at r.t. After 18 h a solid was formed and the reaction mixture was cooled to 0°C, filtered in vacuo. The amorphous solid was washed with cold H20 (2 c 20 ml_). The solid was collected, dried and used directly without further purification.

References:

WO2020/49124,2020,A1 Location in patent:Page/Page column 55; 63