Реакция #955938

ord-1e884a77cb1745ee9cafc32c4fe2034e

Уравнение реакции

COc1cc(Cl)ccc1C(=O)O
4-chloro-2-methoxybenzoic acid
CO
MeOH
COC(=O)c1ccc(Cl)cc1OC
methyl 4-chloro-2-methoxybenzoate
Выход 96.0%

Реагенты

Нет

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Температураwas refluxed overnight
  2. 2
    ДругоеMeOH was evaporated
  3. 3
    Экстракцияthe residue was extracted to EtOAc
  4. 4
    Промывкаsuccessively washed with water and brine
  5. 5
    Сушкаdried over MgSO4
  6. 6
    Фильтрацияfiltered
  7. 7
    Другоеevaporated

Методика

A suspension of 4-chloro-2-methoxybenzoic acid (5 g, 27 mmol) in MeOH (18 mL) and conc. H2SO4 (1.5 mL) was refluxed overnight. MeOH was evaporated and the residue was extracted to EtOAc and successively washed with water and brine, dried over MgSO4, filtered and evaporated to give methyl 4-chloro-2-methoxybenzoate as a white solid (5.17 g, 96%).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US08968708B2uspto-grants-2015_03