HRID1822282

反应详情

EQUATION

反应方程式

HRID 1822282 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

A 0° C. mixture of orcinol (10.0 g, 80.6 mmol) and 325 mesh potassium carbonate (12.25 g, 88.6 mmol) in DMF (100 mL) is treated dropwise with benzyl bromide (6.91 g, 40.4 mmol). The mixture was then warmed to rt and stirred for 20 hours under N2. The reaction is filtered, and the filtrate is acidified with 1 N HCl. The mixture is then diluted with Et2O and extracted with water. The organic layer is dried (Na2SO4), and the solvent is removed in vacuo to afford crude product that is absorbed on silica gel and purified by flash chromatography using 5/1 hexanes/ethyl acetate to afford 4.88 g (57%) of the title compound. Rf=0.40 (2/1 hexanes/EtOAc). 1H NMR (400 MHz, CDCl3); MS (ES+) m/z mass calculated for C14H14O2 214, found 215 (M+1, 100%).

WORKUP

后处理

  1. filtrationThe reaction is filtered
  2. additionThe mixture is then diluted with Et2O
  3. extractionextracted with water
  4. dry with materialThe organic layer is dried (Na2SO4)
  5. customthe solvent is removed in vacuo
  6. customto afford crude product that
  7. customis absorbed on silica gel
  8. custompurified by flash chromatography