Реакция #1827242

ord-f93e2899c60f4dc8bbcd55787bc08ef9

Уравнение реакции

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

Реактанты

Реагенты

Нет

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Другоеwas bubbled HCl gas until the solution
  2. 2
    Концентрированиеconcentrated in vacuo to dryness

Методика

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.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US05968965uspto-grants-1999_10