反応 #74860

反応方程式

methyl trifluoromethanesulfonate

pyridinone

3-(3-bromophenyl)-1-methyl-5-phenyl-4(1H)-pyridinone

2-propanone

→

3-(3-bromophenyl)-4-methoxy-1-methyl-5-phenylpyridinium trifluoromethanesulfonate

溶媒

chloroform

反応条件

後処理

1. 1
   その他the volatile portions were then evaporated under vacuum

実験手順

A 10 g. portion of 3-(3-bromophenyl)-1-methyl-5-phenyl-4(1H)-pyridinone was made from 22 g. of the corresponding 2-propanone as described in Example 1. A 3.4 g. portion of the intermediate pyridinone was dissolved in chloroform and 1.8 g. of methyl trifluoromethanesulfonate was added. The reaction mixture was allowed to stand overnight, and the volatile portions were then evaporated under vacuum. The residue was identified as 3-(3-bromophenyl)-4-methoxy-1-methyl-5-phenylpyridinium trifluoromethanesulfonate, molecular weight 339 by mass spectroscopy.

出典