Ethanol → Ethyl 1-(3-chloro-4-methoxyphenyl)cyclopropane-1-carboxylate

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Reaction Steps

A solution of 1-(3-chloro-4-methoxy-phenyl)-cyclopropanecarboxylic acid (250 mg, 0.96 mmol, 1 eq.) in 1.25M HCl in EtOH (2.4 mL) was stirred at r.t. for 2 hours and further at 50° C. for 18 hours. The mixture was allowed to cool to r.t. and concentrated in vacuo. The residue was purified by flashmaster (column: 25 g, flow: 30 mL/min, 30 fractions of 30 mL, Heptane 100% to Heptane+20% AcOEt) to yield the title compound as a colorless oil. LC-MS 3: tR=0.91 min; [M+H]+=255.2

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