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ChemicalBook CAS DataBase List 2-(4-FLUOROBENZYLAMINO)ETHANOL

2-(4-FLUOROBENZYLAMINO)ETHANOL synthesis

2synthesis methods

P-fluorobenzaldehyde (24.8 g, 0.2 mol) and 2-aminoethanol (15.3 g, 0.25 mol) were added to a reaction flask containing methanol (250 ml), heated to reflux, and kept at 65 ° C for 4 h.The temperature was lowered, sodium borohydride (9.2 g 0.24 mol) was added, and the reaction was stirred, the reaction was completed, filtered, and concentrated.The fraction was collected to give 2-(4-fluorobenzylamino)ethanol as a colorless oily liquid (yield: 90.2%, purity 98.7%).
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Yield:22116-33-2 90.2%

Reaction Conditions:

Stage #1: 4-fluorobenzaldehyde;ethanolamine in methanol at 65; for 4 h;
Stage #2: with sodium tetrahydroborate

Steps:

7 Preparation of 2-(4-fluorobenzylamino)ethanol:

P-fluorobenzaldehyde (24.8 g, 0.2 mol) and 2-aminoethanol (15.3 g, 0.25 mol) were added to a reaction flask containing methanol (250 ml), heated to reflux, and kept at 65 ° C for 4 h.The temperature was lowered, sodium borohydride (9.2 g 0.24 mol) was added, and the reaction was stirred, the reaction was completed, filtered, and concentrated.The fraction was collected to give 2-(4-fluorobenzylamino)ethanol as a colorless oily liquid (yield: 90.2%, purity 98.7%).

References:

CN108129414,2018,A Location in patent:Paragraph 0047-0049

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