تفاعل #1797

ord-71a42b3bba7745d89371d9c19ddb7d49

المذيبات

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    درجة الحرارةheated to 45° C. in an oil bath for another 24 h

الإجراء التجريبي

To a stirred solution of methyl 5-fluoro-2-methoxy-4-[1-(S)-(4-pyridyl)ethoxy]benzoate (290 mg, 0.95 mmol) in methanol (5 mL) was added aqueous NaOH (396 μL, 3.6M). The reaction was stirred at ambient temperature overnight and then heated to 45° C. in an oil bath for another 24 h. The reaction pH was lowered to pH 3 using 1N HCl and the reaction mixture stripped down under reduced pressure. The white foam was lyophilized from H2O/CH3CN to afford the 5-fluoro-2-methoxy-4-[1-(S)-(4-pyridyl)ethoxy]benzoic acid as a white powder.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US05726172uspto-grants-1998_03