N-Methylbenzylamine → 3-(Benzyl-methyl-amino)-butyric acid methyl ester

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Reaction Steps

Benzyl-methyl-amine (20 g, 165 mmol, 1.0 equiv) was added neat to methyl crotonate (19.8 g, 198 mmol, 1.2 equiv). The resulting solution was stirred at room temperature for 72 h. The excess crotonic ester was removed in vacuo to yield the desired product (40.3 g,˜100%) which was used without further purification; MS, m/z 222=M+1.

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