反応 #1135806

ord-39ae8a79eabc4267a2e4c2e2e3e20742

反応方程式

COc1cccc(N)c1C
1-methoxy-2-methyl-3-aminobenzene
O=C(OC(Cl)(Cl)Cl)OC(Cl)(Cl)Cl
triphosgene
COc1cccc(N=C=O)c1C
1-methoxy-3-isocyanato-2-methylbenzene
収率 95.3%

溶媒

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    温度with heating
  2. 2
    温度under reflux for three hours
  3. 3
    温度to cool
  4. 4
    濃縮were concentrated under reduced pressure

実験手順

A mixture of 1-methoxy-2-methyl-3-aminobenzene 15.0 g, triphosgene 48.7 g and toluene 350 mL was stirred with heating under reflux for three hours. The reaction mixtures after standing to cool were concentrated under reduced pressure to give 1-methoxy-3-isocyanato-2-methylbenzene 17.0 g.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US09380782B2uspto-grants-2016_07