反応 #2673

反応方程式

product

[4-cyano-2,3-bis-[(2-methoxy-ethoxy)-methoxy]-phenyl]bromoacetic acid

diphenyl diazomethane

→

Diphenylmethyl [4-cyano-2,3-bis-[(2-methoxy-ethoxy]-methoxy]phenyl]-bromoacetate

溶媒

methylene chloride

反応条件

後処理

1. 1
   その他Evaporation
2. 2
   その他to obtain 450 mg of the

実験手順

The product of Step A was dissolved in 10 ml of methylene chloride and 470 mg of diphenyl diazomethane were added. Evaporation was carried out followed by chromatography on silica (eluant: cyclohexane - ethyl acetate (2-1)) to obtain 450 mg of the desired, product.

出典