反応 #343292

ord-3ffe97c559a74131b5ef54999850f6a8

溶媒

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他The solvent is removed
  2. 2
    その他to give a solid which
  3. 3
    その他is dried in a vacuum oven at 60° C. for two days
  4. 4
    その他darkens at 230° C.
  5. 5
    その他decomposes at 247°-250° C.

実験手順

To 1.0 g 5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolidinyl)nicotinic acid is added a solution of 0.1498 g sodium hydroxide in 20 mL absolute methanol. The mixture is stirred under nitrogen at room temperature overnight. The solvent is removed to give a solid which is dried in a vacuum oven at 60° C. for two days. The thus-formed sodium 5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolidinyl)nicotinate darkens at 230° C. and decomposes at 247°-250° C.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US04701208uspto-grants-1987_10