反応 #1195685

ord-5321f1854cab439f871ea06170045f9c

反応方程式

O=C(O)/C=C/c1cnc[nH]1
urocanic acid
CO
methanol
COC(=O)C=Cc1c[nH]cn1
crude product 2
COC(=O)C=Cc1c[nH]cn1
methyl 3-(4-imidazolyl)-2-propenoate

試薬

なし

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他was bubbled HCl gas until the solution
  2. 2
    濃縮concentrated in vacuo to dryness

実験手順

Through a suspension of urocanic acid (5.0 g) in methanol at 0° C. was bubbled HCl gas until the solution was saturated. The reaction was stirred for one hour, then concentrated in vacuo to dryness to provide the crude product 2 which was used in the next step without further purification.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US06066738uspto-grants-2000_05