HRID1073461

反应详情

EQUATION

反应方程式

HRID 1073461 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

To a stirred solution of 2.40 g of 2-deoxy-2,2-difluoro-4,5,7-tris-O-(phenylmethyl)-D-arabino-3-heptulofuranosonic acid, ethyl ester in 8.8 ml of acetic anhydride at 0° C. was added 1.08 ml of boron trifluoride etherate. After 2 hours at 0° C., the solution was diluted with ether and stirred with aqueous sodium bicarbonate solution. The organic layer was washed with water and brine, dried, and concentrated. The residue was subjected to column chromatography on silica gel to give an oil, CMR δ 20.7 and 215 (singlets, CH3CO).

WORKUP

后处理

  1. washThe organic layer was washed with water and brine
  2. customdried
  3. concentrationconcentrated
  4. customto give an oil, CMR δ 20.7 and 215 (singlets, CH3CO)