3-(N-Benzyl-N-methylamino)propiophenone hydrochloride synthesis

3synthesis methods

Product Name:3-(N-Benzyl-N-methylamino)propiophenone hydrochloride
CAS Number:5409-62-1
Molecular formula:C17H20ClNO
Molecular Weight:289.7998

50-00-0 Synthesis

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98-86-2 Synthesis

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103-67-3 Synthesis

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3-(N-Benzyl-N-methylamino)propiophenone hydrochloride

5409-62-1
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Yield:5409-62-1 90%

Reaction Conditions:

with hydrogenchloride in water;isopropyl alcohol for 6 h;Heating / reflux;

Steps:

1
Example 1; 3-Benzylmethylamino-l-phenyl-l-propanone hydrochloride (V); Aqueous concentrated HCl is added dropwise to a solution of benzylmethylamine (129.1 ml) in 2-propanol (600 ml). Then, paraformaldehyde (39.64 g) and acetophenone (116.7 ml) are added. The mixture is refluxed for 6 hours. After gradual cooling down to 0 ⁰C, the mixture is stirred for 1 hour. Precipitated crystals are sucked off and washed with 2-propanol. The yield was 261 g (90 %) of substance V.

References:

ZENTIVA, A.S. WO2007/9405, 2007, A1 Location in patent:Page/Page column 9

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