반응 #77451

ord-4025aced4c7048988b31e777f470e500

용매

반응 조건

온도
5°CELSIUS
상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타the mixture obtained

실험 절차

The Grignard reagent is prepared from 2.24 g (0.092 mol) of magnesium chips, a few granules of iodine and 17.80 g (0.092 mol) of 1-bromo-3,4-difluoro-benzene in 100 ml of THF at 50° C. After the halide has all been added, the mixture is stirred for another hour. The Grignard reagent thus obtained is added dropwise to 18.81 g (0.088 mol) of ethyl 3,4-difluorophenylglyoxylate in 80 ml of THF at 10°-15° C. and the mixture obtained is stirred for 2 hours at 5° C.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US06706726B2uspto-grants-2004_03