反応 #78078

ord-3e446067941849988187fc1f41cc13cb

反応方程式

O
water
Clc1ncc(Br)c(Cl)n1
5-bromo-2,4-dichloropyrimidine
COc1ccc(O)cc1
4-methoxyphenol
O=C([O-])[O-].[K+].[K+]
potassium carbonate
COc1ccc(Oc2nc(Cl)ncc2Br)cc1
product
収率 96.0%
COc1ccc(Oc2nc(Cl)ncc2Br)cc1
5-Bromo-2-chloro-4-(4-methoxyphenoxy)pyrimidine
収率 96.0%

溶媒

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他the solid which separated out
  2. 2
    ろ過was collected by filtration
  3. 3
    洗浄washed with water (50 ml)
  4. 4
    その他dried under high vacuum

実験手順

A mixture of 5-bromo-2,4-dichloropyrimidine (5.0 g, 22.0 mmol), 4-methoxyphenol (2.72 g, 22.0 mmol) and potassium carbonate (6.07 g, 44.0 mmol) in DMF (20 ml) was stirred for 24 hours. The mixture was added to water (100 ml) and the solid which separated out was collected by filtration, washed with water (50 ml) and dried under high vacuum to give the product (6.6 g, 96%). NMR: 3.8 (s, 3H), 7.0 (d, 2H), 7.2 (d, 2H), 8.8 (s, 11H).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US06710052B2uspto-grants-2004_03