تفاعل #1185880

ord-1e4f733c5ee44033a8ef14b4a58c4c49

الكواشف

لا شيء

ظروف التفاعل

درجة الحرارة
10°CELSIUS
الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    workup.DISTILLATIONExcess concentrated Hydrochloric acid was distilled off in vacuum
  2. 2
    ترشيحfiltered hot
  3. 3
    ترشيحfiltered
  4. 4
    أخرىdried

الإجراء التجريبي

(4-Acetylamino-phenoxy)-acetic acid ethyl ester 1 (375 grams, 1.582 mmol), in concentrated Hydrochloric acid (9.36 liters) was refluxed for 12 Hours. Excess concentrated Hydrochloric acid was distilled off in vacuum and filtered hot. The mixture was cooled to 10° C., filtered and dried to give pure 2 (250 g, 77.6%) as a wheat colored powder.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US08143325B2uspto-grants-2012_03