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ChemicalBook CAS DataBase List 4-HYDROXY-7-DIETHIAMINO-COUMARINE
64369-55-7

4-HYDROXY-7-DIETHIAMINO-COUMARINE synthesis

4synthesis methods
-

Yield: 91%

Reaction Conditions:

in toluene for 12 h;Reflux;

Steps:

1.1 Synthesis of C
Diphenylmalonate (7.75 g, 30.3 mmol) was added to a solution of 3-(N, N-diethylamino)phenol (5.0 g, 30.3 mmol, 1 equiv) in dry toluene (60 mL) The reaction mixture was refluxed for 12 hours. The reaction mixture was cooled to room temperature, and the resulting solid compound was washed with hexane and then reduced to obtain C (6.4 g, 91%).

References:

KAIST;Ch'eo Chil;Kim Yeong-sam;San Dip;Choi Min-seok KR101797865, 2017, B1 Location in patent:Paragraph 0141-0144